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Tax Attorney in Fort Collins, CO

Federal IRS representation for Fort Collins individuals and businesses — audits, back taxes, liens, levies, Offer in Compromise filings, and U.S. Tax Court petitions tried in Denver (65 miles south). Fort Collins is a Front Range university-and-industry city with a tax docket that revolves around four pillars: Colorado State University (CSU) faculty W-2 plus 1099-MISC honoraria, the CSU College of Veterinary Medicine and CSU Veterinary Teaching Hospital with their post-doctoral and resident-veterinarian income, Woodward Inc.'s controls-and-aerospace defense-research operations subject to amended IRC §174, and a Front Range craft-brewing cluster (New Belgium, Odell, Anheuser-Busch InBev's Fort Collins facility) with IRC §263A(f) interest-capitalization questions. Federal practice plus the Colorado Department of Revenue side, handled together.

By Parham Khorsandi, Esq. — California Bar #266658. Admitted to practice before the United States Tax Court. Last Reviewed: .

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$1.09M Debt Reduced to $16K $152K Resolved at $25/mo $37K Settled for $160 $145K Installment at $50/mo $130K Resolved at $25/mo $87K Settled at $27/mo $48K Settled at $25/mo

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Jurisdiction: Federal IRS practice in all 50 states via Form 2848 Power of Attorney; U.S. Tax Court trials set in Denver for Fort Collins petitioners Free consultation: (800) 883-8301 Last Reviewed:

If you owe back taxes in Fort Collins, here is what changed in 2026

The IRS resumed full passport-revocation referrals under IRC §7345 for taxpayers with seriously delinquent federal balances over the inflation-adjusted threshold ($62,000 for 2026). Passport exposure matters in Fort Collins because Colorado State University faculty and post-doctoral researchers travel internationally for fieldwork, climate-research collaboration, and veterinary-medicine conferences, and because Woodward Inc. engineers with aerospace-controls assignments hold clearances that require foreign-travel reporting. Three Fort Collins-specific 2026 pressure points sit on top of that: post-doctoral stipend recipients at CSU and the CSU Veterinary Teaching Hospital often misapply IRC §117(c) by treating service-required stipends as tax-exempt qualified scholarships when they are taxable compensation; the amended IRC §174 five-year amortization hits Woodward Inc., the Hewlett Packard Enterprise Fort Collins office, the Intel Fort Collins semiconductor R&D site, and Agilent Technologies Fort Collins; and Fort Collins became one of the top destination cities for post-2020 California outmigration, which has produced a steady California Franchise Tax Board departing-resident audit pipeline that often surprises new arrivals years after their move.

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Tax cases resolved

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All 50

States via Form 2848 PoA

Past results do not guarantee future outcomes. Each tax case is unique and turns on individual facts and IRS discretion.

What this page covers and why Fort Collins tax representation matters

Victory Tax Lawyers, LLP is a California-licensed tax-law firm whose primary practice is federal IRS resolution. We represent Fort Collins individuals, CSU faculty and post-docs, veterinarians from the CSU College of Veterinary Medicine, Woodward Inc. engineers, craft-brewery owners, and Northern Colorado businesses before the Internal Revenue Service, the U.S. Tax Court, and the IRS Independent Office of Appeals through a Form 2848 Power of Attorney, which is recognized in every IRS district nationwide. Federal tax practice is not constrained by state-bar admission; under 31 CFR §10.3 (Circular 230), attorneys, CPAs, and enrolled agents may represent taxpayers before the IRS regardless of the taxpayer's state of residence.

Fort Collins tax practice has a specific shape. Colorado imposes a flat 4.40% personal income tax under Colo. Rev. Stat. §39-22-104 — phased down from 4.55% in 2024 through Taxpayer Bill of Rights surplus refunds under Colorado Constitution Article X §20 — and a matching flat 4.40% corporate income tax under §39-22-301. The state sales-tax rate is 2.9%; Larimer County adds 0.8% and the City of Fort Collins adds 3.85% for a combined retail rate of 7.55%. Fort Collins is anchored by Colorado State University, a flagship Front Range R1 research institution whose College of Veterinary Medicine and Veterinary Teaching Hospital pull post-doctoral residents and academic clinicians from across the country; by Woodward Inc., a Fortune-listed controls-and-aerospace defense contractor headquartered in Fort Collins; by a major Anheuser-Busch InBev brewing facility plus a Front Range craft-brewing cluster led by New Belgium Brewing (Fat Tire) and Odell Brewing; and by satellite operations of Hewlett Packard Enterprise, Intel, and Agilent Technologies that drive a meaningful semiconductor and life-sciences R&D footprint. That mix produces a federal tax docket centered on academic 1099-MISC honoraria, post-doctoral §117(c) stipends, faculty W-2 reporting under IRS Publication 970, clergy housing under IRC §107 where CSU-adjacent campus ministries are involved, classified-research §174 capitalization for defense engineers, RSU and ISO equity for technology workers under IRC §83(b), and IRC §263A(f) interest-capitalization questions for capital-intensive craft brewers.

If your problem is federal, you do not need an attorney admitted in Colorado. You need an attorney admitted somewhere with active U.S. Tax Court bar membership and federal-practitioner credentials under Circular 230. If your problem also involves the California Franchise Tax Board chasing you across the state line after a relocation, the firm's California-bar credential is materially useful — Fort Collins has consistently ranked among the top destinations for California outmigration in the post-2020 period, and the FTB pursues departing-resident audits on a four-to-six-year lookback. We appear in front of the same state revenue agency every week. The combination of CSU academic exposure, CSU Veterinary Teaching Hospital post-doctoral exposure, Woodward Inc. classified-research exposure, craft-brewing UNICAP exposure, and California-transplant exposure is what makes Fort Collins tax practice distinct from any other Front Range city.

Your tax rights as a Fort Collins taxpayer

Federal taxpayer rights are codified across the Internal Revenue Code and summarized in IRS Publication 1, the Taxpayer Bill of Rights. They apply identically whether you live in Old Town, Midtown, Campus West near CSU, Harmony Corridor, Rigden Farm, Fossil Creek, Front Range Village, Timnath, Wellington, Loveland commuting in, Windsor commuting in, or out past the foothills toward Bellvue and Laporte. The rights you can invoke in a tax-resolution matter:

Right to representation

Under IRC §7521(b)(2), an IRS examiner or collection officer must suspend an interview if you state you wish to consult with an authorized representative. A signed Form 2848 puts a tax attorney between you and the IRS for the remainder of the matter; the agency redirects all future correspondence through the CAF.

Right to Collection Due Process

After a Notice of Federal Tax Lien (IRC §6320) or a Final Notice of Intent to Levy (IRC §6330), you have 30 days to request a Collection Due Process hearing on Form 12153. CDP requests pause collection enforcement and preserve U.S. Tax Court review of any adverse Appeals determination.

Right to U.S. Tax Court review

A Notice of Deficiency triggers a 90-day petition window under IRC §6213(a). Filing a petition in Tax Court means you litigate without paying the deficiency first. Fort Collins petitioners designate Denver as the place of trial under Tax Court Rule 140 (Byron G. Rogers Federal Building, 65 miles south on I-25).

Right to an Offer in Compromise

Under IRC §7122, the IRS may accept less than the full liability where doubt as to collectibility, doubt as to liability, or effective tax administration justifies settlement. The offer is filed on Form 656 with Form 433-A(OIC) or 433-B(OIC) financial disclosure attached.

Right to a casualty-loss claim after a federally declared disaster

Under IRC §165(h), personal casualty losses attributable to federally declared disasters are deductible. The 2020 Cameron Peak Fire west of Fort Collins (the largest wildfire in Colorado history at the time), the Poudre River floods, and other Northern Colorado declared disasters produce loss claims that frequently get missed on the original return. Election to claim the loss on the prior year's return under §165(i) can accelerate the refund.

Colorado-specific: Tax Conferee and TABOR refund posture

For matters at the Colorado Department of Revenue, the informal administrative appeal goes to the Tax Conferee under Colo. Rev. Stat. §39-21-103. Colorado's flat 4.40% rate is itself a function of Article X §20 (TABOR), which constitutionally caps revenue growth and refunds surplus dollars to taxpayers. CDOR power of attorney is filed on Colorado Form DR 0145, separate from federal Form 2848.

How Victory Tax Lawyers helps Fort Collins taxpayers

Offer in Compromise

We prepare and file Form 656 with the supporting financials under IRC §7122. The IRS evaluates Reasonable Collection Potential (RCP) using monthly income net of allowable expenses plus the realizable value of assets. Fort Collins filings often turn on CSU academic 1099 honoraria treatment, post-doctoral §117(c) stipend recharacterization, vested Woodward Inc. and HPE equity positions, craft-brewery operating-asset valuation, and veterinarian Schedule C income. We pressure-test the math before submission so the offer survives at Appeals if intake rejects it.

Installment Agreement

Streamlined IAs (under $50,000), Non-Streamlined IAs over $50,000 with Form 433-F disclosure, and Partial Pay Installment Agreements under IRC §6159 that run only through the CSED. We pick the structure that fits the facts and the runway, not the structure the IRS Automated Collection System proposes by default. For Fort Collins craft brewers in capital-intensive build-out cycles, PPIA structures often beat full-pay IAs.

Lien release and withdrawal

A Notice of Federal Tax Lien under IRC §6321 attaches to your Fort Collins real estate, brokerage accounts, CSU retirement-plan rights at vesting, and personal property. We pursue release after payment, certificate of discharge for specific property (often needed to close a Larimer County home sale during a CSU sabbatical or relocation), subordination to allow refinancing, and withdrawal under the Fresh Start lien-withdrawal program for IAs of $25,000 or less.

Levy release

Wage levies (CP90 / LT11 series) and bank levies under IRC §6331 stop when we secure CNC status, an accepted IA, an accepted OIC, or a CDP request. Time matters: bank levies hold for 21 days before remittance under IRC §6332(c). Elevations Credit Union, First National Bank, and brokerage accounts holding vested Woodward Inc. and HPE positions all sit within levy reach unless we act in time.

Audit and exam defense

Correspondence audits, office exams at the IRS Taxpayer Assistance Center serving Northern Colorado, and field audits. We respond to Information Document Requests, attend the audit in your place under Form 2848, prepare the Form 4549 protest if we disagree, and take the case to the IRS Independent Office of Appeals if the examiner will not move. Classified-research substantiation for Woodward Inc. and defense-subcontractor employees requires care — we work the substantiation record around the limits of what can be produced outside of a SCIF.

Penalty abatement

First-Time Penalty Abatement administrative relief and Reasonable Cause requests under IRC §6651 and §6662. Common reasonable-cause arguments for Fort Collins filers include the 2020 Cameron Peak Fire disaster declaration, Poudre River flood disruption, serious illness, preparer reliance subject to the United States v. Boyle limits, broker-statement errors on equity reporting, and CSU sabbatical-abroad documentation gaps.

Twelve types of Fort Collins tax issues we handle

Federal IRS practice areas, with Fort Collins-specific framing where it matters.

CSU faculty 1099 and W-2 reconciliation

Colorado State University faculty, lecturers, adjuncts, and visiting researchers receive W-2 wages plus 1099-MISC payments for outside teaching, peer review, expert-witness work, journal editing, conference honoraria, and grant-funded consulting. The interaction between Form W-2 box 1 wages and Schedule C self-employment income generates frequent withholding gaps under IRC §6654. We reconcile, file Schedule C with proper §162 deductions, and resolve the resulting balance.

Post-doctoral §117(c) stipend recharacterization

Post-doctoral fellows at CSU, the CSU College of Veterinary Medicine, and the CSU Veterinary Teaching Hospital frequently receive stipends labeled "scholarship" by the institution but conditioned on teaching or research service. Under IRC §117(c), amounts representing payment for required services are taxable compensation, not exempt qualified scholarships. IRS Publication 970 governs the analysis. Mischaracterization on the original 1040 produces CP2000 deficiencies one to two years later.

Veterinary Schedule C and royalty income

CSU Veterinary Teaching Hospital clinicians, private-practice veterinarians, and veterinary-research scientists receive Schedule C income, royalties from animal-health patent and breed-registry licensing, and 1099-MISC payments for expert witness work in animal-welfare and agricultural litigation. Self-employment tax under §1401 and quarterly estimates under §6654 are recurring exposures.

Classified-research §174 capitalization

Amended IRC §174 requires five-year amortization of domestic research expenditures (15-year foreign), eliminating the immediate-deduction option. Woodward Inc. (controls and aerospace), Hewlett Packard Enterprise Fort Collins, Intel Fort Collins semiconductor R&D, and Agilent Technologies Fort Collins all carry research-payroll lines that hit this rule. We handle the audit cycle and the §41 R&D credit interaction.

RSU and ISO equity at Woodward, HPE, Intel

Restricted stock units vest at ordinary-income rates with employer 22% supplemental withholding that understates the true marginal rate for six-figure engineers. Incentive stock options trigger AMT under IRC §55 at exercise unless sold same-year. IRC §83(b) elections for restricted stock have a 30-day clock. April balances on these often surprise Fort Collins technology workers.

Craft brewing §263A(f) UNICAP

Fort Collins is one of the densest craft-brewing markets in the United States. IRC §263A(f) interest-capitalization rules apply to long-lived brewery build-outs and aging-tank assets. New Belgium, Odell, and the Anheuser-Busch InBev Fort Collins facility plus dozens of smaller breweries face Schedule C and Form 1120 questions on UNICAP, the small-reseller exception, and federal excise tax under 26 USC Subtitle E.

California departing-resident audits

Fort Collins has consistently been ranked among the top destination cities for post-2020 California outmigration. Under Cal. Rev. & Tax. Code §17041 and FTB Publication 1031, equity compensation that vested while the taxpayer rendered services in California is California-source income on sale, even years after the move to Larimer County. The FTB pursues these as nonresident-source claims on a four-to-six-year lookback and runs a 20-year collection horizon under Cal. Gov. Code §7172.

Cannabis §280E and CO excise tax

IRC §280E denies ordinary and necessary business deductions to cannabis operators under Colorado Amendment 64 (CRS §39-26-728), leaving only cost of goods sold under §471. Colorado's 15% cannabis excise tax under Colo. Rev. Stat. §39-28.8-302 applies on top. Fort Collins limits retail licensing within city boundaries, but Larimer County dispensaries and adjacent jurisdictions still raise these questions on Schedule C.

IRS audit defense

Correspondence, office, and field audits. We respond, document, and protest examination changes through Appeals or U.S. Tax Court in Denver. CSU 1099 academic-income substantiation, post-doctoral §117(c) classification, veterinary Schedule C deductions, and craft-brewery UNICAP cases make up a meaningful share of the Larimer County federal-exam docket.

Trust Fund Recovery Penalty

Under IRC §6672, the IRS pierces the corporate veil for unpaid payroll trust funds. Fort Collins small-business owners — Old Town restaurant operators, Midtown veterinary clinics, bike-shop owners along Mason Street, and craft-brewery operations — discover this when cash-flow gaps collide with quarterly Form 941 deposits.

Cameron Peak Fire §165(h) casualty

The 2020 Cameron Peak Fire west of Fort Collins, the 2020 Poudre River-corridor smoke and ash damage, and Northern Colorado flood declarations qualify for federal casualty-loss treatment under IRC §165(h). The §165(i) election to claim the loss on the prior return can pull forward a refund. Insurance recovery, the personal-use vs. business-use line, and basis substantiation are all live issues.

Passport revocation defense

IRC §7345 certifications to the State Department. We work to decertify before international travel for CSU faculty with overseas fieldwork or sabbatical assignments, post-doctoral researchers on collaborative grants abroad, Woodward Inc. engineers with cleared-foreign-travel reporting, and the broader Fort Collins research community.

Nine common causes of tax debt in Fort Collins

1. Post-doctoral stipend misclassified

A CSU or CSU Vet School post-doc treats a service-required stipend as a tax-free §117 scholarship rather than taxable §117(c) compensation. The CP2000 notice arrives 18 months later with accuracy-related penalties under §6662.

2. CSU 1099 honoraria withholding gap

A CSU professor takes on expert-witness work, peer review, journal editing, or grant-funded consulting that pays via 1099-MISC. No withholding occurred. Quarterly estimates were never made. The April balance lands with self-employment tax under §1401 on top of regular tax.

3. §174 amortization surprise

A Fort Collins engineering or defense-research shop with $2 million in research payroll discovers that under amended IRC §174 only $200,000 is deductible in year one. The federal tax bill triples. The R&D credit under §41 helps but does not erase the gap.

4. RSU vest withholding gap

Employer-default 22% supplemental withholding on a large RSU vest understates the true marginal rate for a six-figure Woodward Inc., HPE, Intel, or Agilent engineer in Fort Collins. The April balance hits as a surprise when the W-2 lands.

5. ISO AMT trap at exercise

A Fort Collins technology employee exercises ISOs and holds the shares, triggering Alternative Minimum Tax under IRC §55 on the bargain element with no cash inflow to pay the resulting balance. The AMT credit under §53 helps over multi-year horizons but does not solve the cash crunch in year one.

6. Veterinary Schedule C quarterly miss

Fort Collins veterinarians in private practice, mixed academic/private arrangements with the CSU Vet Teaching Hospital, and Schedule C consulting income skip quarterly estimates under IRC §6654. The 15.3% SE tax compounds the federal income-tax balance on April 15.

7. Craft-brewery UNICAP missed

A Fort Collins craft brewery deducts interest currently rather than capitalizing it under IRC §263A(f) for the period of the brewhouse build-out and aging-tank installation. The audit deficiency runs across multiple open years and produces accuracy-related penalty exposure.

8. ERC clawback

Employee Retention Credit claims pushed by promoter mills are being clawed back through CP207/CP207L letters. Fort Collins restaurants in Old Town, dental practices and veterinary clinics, craft breweries, and bike-shop retailers along Mason Street face the audit wave.

9. California departing-resident catch-up

A taxpayer relocates to Fort Collins from the Bay Area, files a Colorado resident return, and never sources the post-move equity vests back to California. Three years later the FTB issues an audit notice for vested RSUs that performed services in California. The state-source claim travels with the equity, not the new domicile.

Who is on the hook: eight tax-liability scenarios

Joint filers

Joint federal returns create joint-and-several liability under IRC §6013(d)(3). One spouse can be pursued for the entire balance. Innocent Spouse Relief under IRC §6015 is the principal escape valve and turns on equitable factors. CSU dual-career academic households where one spouse signs the return without close review of the other's outside income see this often.

Responsible persons for payroll

Trust Fund Recovery Penalty under IRC §6672 reaches anyone with check-signing authority who willfully failed to pay over withheld taxes — not just CEOs. For Fort Collins craft breweries, veterinary clinics, and Old Town restaurants, this often catches the operations manager or head brewer along with the owner.

CSU faculty agent reporting mismatch

CSU faculty whose expert-witness, peer-review, or grant-funded consulting income routes through a literary agent, speaker's bureau, or academic-services intermediary sometimes discover that the 1099-MISC reports the gross amount while the faculty member received the net. The IRS expects Schedule C reconciliation with agent fees deducted under §162.

Transferee liability

IRC §6901 reaches a transferee of assets where the transfer rendered the transferor insolvent and tax debts remain unpaid. Fort Collins family-LLC restructurings, ranch-land transfers in the foothills, and craft-brewery ownership-restructuring deals sometimes trigger this.

California source-of-income claims

Under Cal. Rev. & Tax. Code §17041 and FTB Publication 1031 sourcing rules, equity that vested while the taxpayer rendered services in California remains California-source on sale — even years after the Fort Collins move. The FTB pursues these as nonresident-source claims; Fort Collins received an outsized share of post-2020 California migration relative to its population.

Nominee and alter-ego

The IRS files a nominee or alter-ego lien when assets titled in another's name actually belong to the taxpayer. Common in Fort Collins asset-protection structures using series LLCs and family-limited partnerships, particularly among multi-generational ranching families in the foothills and Larimer County agricultural-land holders.

Colorado DOR responsible party

Unpaid CDOR sales tax, withholding, and the 15% cannabis excise tax under Colo. Rev. Stat. §39-28.8-302 carry responsible-person liability principles similar to federal TFRP. Fort Collins city limits restrict retail cannabis licensing, but Larimer County dispensaries and adjacent municipalities still produce state-side compliance disputes.

Estate and decedent returns

A decedent's final 1040 and the estate's 1041 are the executor's responsibility. Personal liability for the executor attaches under 31 USC §3713(b) if estate distributions are made before federal tax claims are satisfied. Colorado's senior property-tax exemption under Colo. Const. Art. X §3.5 does not extend to federal estate obligations.

What resolution can look like

Debt reduced

An accepted Offer in Compromise settles the federal liability for less than the full amount. Partial Pay IAs cap the recovery at what you can pay through the CSED. Currently Not Collectible status freezes collection while a Fort Collins academic family, post-doc, or craft-brewery owner stabilizes operations.

Penalties abated

First-Time Penalty Abatement removes failure-to-file and failure-to-pay penalties for a clean compliance year. Reasonable-cause requests address Cameron Peak Fire disaster disruption, Poudre River flood damage, serious illness, broker-statement reporting errors, and CSU sabbatical-abroad documentation gaps.

Liens and levies released

An NFTL withdraws once a streamlined IA is in place under Fresh Start. Wage and bank levies release when the underlying account moves to CNC, IA, or OIC processing. Passport certifications reverse once the debt drops below the §7345 threshold — critical for CSU faculty with international fieldwork.

Outcomes vary. Past results do not guarantee future outcomes. Each tax case is unique.

Settlement ranges from the firm's case files

The following ranges come from Victory Tax Lawyers cases over the past several years and contribute to the firm's $100M+ aggregate tax-relief figure. Names and identifying facts are removed for confidentiality.

Matter type Original liability Resolution Approximate result
Installment Agreement $138,296 IRC §6159 streamlined IA $25/month accepted
Partial Pay IA $126,489 IRC §6159 PPIA through CSED $50/month accepted
Installment Agreement $128,206 IRC §6159 streamlined IA $25/month accepted
Partial Pay IA $116,451 IRC §6159 PPIA through CSED $50/month accepted
Installment Agreement $152,296 IRC §6159 streamlined IA $25/month accepted

Past results do not guarantee future outcomes. Each tax case is unique and turns on facts, asset position, monthly disposable income, IRS Allowable Living Expense tables, and the discretion of the assigned Revenue Officer or Settlement Officer. Acceptance rates for Offer in Compromise vary widely — the IRS reported a nationwide acceptance rate of roughly 30 to 40 percent in recent years.

Why a California-licensed firm represents Fort Collins taxpayers

Federal tax practice is regulated by Treasury under 31 CFR Part 10 (Circular 230). An attorney admitted in any U.S. jurisdiction may represent any taxpayer before the IRS in any state via Form 2848 Power of Attorney. State-bar admission is a state-court question; the IRS is a federal agency, the U.S. Tax Court is a federal court of national jurisdiction, and the IRS Independent Office of Appeals is a federal administrative venue. Whether you live in Old Town, Midtown, Campus West, Harmony Corridor, Rigden Farm, Fossil Creek, Front Range Village, Timnath, Wellington, Bellvue, Laporte, or out in Larimer County's foothills, the federal procedural rules are identical.

Parham Khorsandi is a member of the State Bar of California (license #266658) and is admitted to practice before the United States Tax Court — admission there is national, not state-bound. Amir Boroumand (Cal Bar #269570) supplements the firm's federal practice. For Fort Collins specifically, the California-bar credential matters in two ways: the FTB's departing-resident audit program reaches former Bay Area residents who relocated to Larimer County during the 2020-2024 outmigration wave, and we appear before the FTB on these matters regularly; and the firm's academic-tax bench is built around federal §117(c), §107 clergy housing, §174 research, and §83(b) equity-election practice that applies identically in Colorado as it does in any other research-university state.

For Colorado Department of Revenue work, the firm acts under Colorado Form DR 0145 Power of Attorney; the informal-administrative track runs through the CDOR Tax Conferee in Lakewood, with judicial review on adverse Conferee determinations available in Larimer County District Court at the Larimer County Justice Center, 201 LaPorte Avenue, Fort Collins. For state-court litigation that requires a Colorado-bar admitted attorney, we coordinate with local Colorado counsel and stay engaged on the federal side. The 100% remote workflow runs through a secure portal: document upload, signed Forms 2848 and 8821 and DR 0145, and weekly status updates without anyone needing to drive across town, leave the CSU campus, or step away from a Woodward Inc. cleared workspace.

The seven steps of a VTL tax-resolution engagement

1

Free consultation

A 30-minute call with an attorney to outline the facts, the IRS or CDOR notices received, and the realistic resolution options.

2

Engagement letter

A written attorney-client agreement defines scope, fee, and authority. Federal common-law attorney-client privilege attaches from signature forward.

3

Form 2848 filed

Power of Attorney filed with the IRS Centralized Authorization File so all subsequent IRS notices route to the firm. CDOR Form DR 0145 filed where state matters overlap.

4

CAF investigation

Account Transcripts, Wage and Income Transcripts, and Record of Account pulled across all open years. CSED dates verified before any negotiation.

5

Strategy memo

A written analysis recommending OIC, IA, CNC, audit response, CDP, or Tax Court petition based on the financial profile and CSED runway.

6

Resolution filed

Forms 656, 433-A, 9423, 12153, or Tax Court Petition prepared and filed. Negotiations with Revenue Officers, Settlement Officers, or Appeals Officers handled directly.

7

Compliance close-out

Post-resolution monitoring: future quarterly estimates, return filings, and protection against IA default. The case is done when the new pattern is stable.

Collection statute warning — federal, Colorado, and California

Under IRC §6502(a), the IRS generally has ten years from the date of assessment to collect a tax. After the Collection Statute Expiration Date, the debt becomes uncollectible by operation of law. Several events toll the CSED, including a pending Offer in Compromise (extends by the OIC pendency plus 30 days), bankruptcy filing (extends by the bankruptcy stay plus six months), a Collection Due Process hearing (extends while pending), Innocent Spouse claims, and continuous absence from the United States for six months or more — the last category catches CSU faculty sabbatical-abroad assignments and post-doctoral fieldwork rotations.

On the Colorado side, Colo. Rev. Stat. §39-21-107 sets the assessment SOL at three years from filing for ordinary cases (extended to four years for 25%-plus omissions and indefinite for fraud or non-filing). Once Colorado assessment is final, collection authority runs under §39-21-114 with judgment-renewal procedures that effectively keep an unpaid CDOR judgment collectible for many years — the practical Colorado collection horizon runs longer than the headline six-year period some practitioners cite. Do not assume the federal ten-year CSED disposes of the state side.

On the California side — the third leg that matters for Fort Collins transplants from the Bay Area — the FTB has a 20-year statute of limitations on collection of California income tax under Cal. Gov. Code §7172 after entry of the assessment, and a four-year statute of limitations on assessment under Cal. Rev. & Tax. Code §19057 (extended to six years for substantial omissions and unlimited for unfiled returns). The FTB collection horizon is twice the federal one. Pull every account transcript before negotiating anything; sometimes a Partial Pay Installment Agreement that runs out the federal statute is the better strategy than an offer that extends it.

Fort Collins venue: where federal and Colorado tax matters are heard

Federal tax matters affecting Fort Collins taxpayers proceed in federal venues, with U.S. Tax Court trials set in Denver and the U.S. District Court for the District of Colorado, Denver Division, handling federal civil and criminal-tax matters for the Larimer County region. There is no permanent U.S. District Court courthouse in Fort Collins itself — the Joseph G. Carter Federal Building at 200 West Oak Street houses federal services for Northern Colorado, with district judges traveling from Denver for occasional sessions. State matters that reach formal contest proceed through the Colorado Department of Revenue Tax Conferee, and on judicial review through Larimer County District Court in Fort Collins.

U.S. Tax Court — Denver trial city

The United States Tax Court hears Colorado cases primarily in Denver at the Byron G. Rogers Federal Building, 1961 Stout Street, Denver CO 80294, and at the Alfred A. Arraj United States Courthouse, 901 19th Street, Denver. Fort Collins petitioners designate Denver as the place of trial under Tax Court Rule 140 (65 miles south on I-25). Small-tax-case procedure under IRC §7463 is available for deficiencies of $50,000 or less per year per period.

U.S. District Court — District of Colorado, Denver Division

The U.S. District Court for the District of Colorado Denver Division sits at the Alfred A. Arraj United States Courthouse, 901 19th Street, Denver CO 80294. Federal refund suits under IRC §7422 and criminal-tax matters affecting Fort Collins taxpayers proceed there. The Joseph G. Carter Federal Building at 200 W Oak Street, Fort Collins houses federal services for Northern Colorado, with district judges traveling from Denver for occasional Fort Collins sessions.

IRS Taxpayer Assistance Center — Denver (nearest to Fort Collins)

The nearest staffed IRS TAC to Fort Collins is the Denver office at 1999 Broadway, Denver CO 80202, roughly 65 miles south. Appointments are scheduled through the IRS office locator or 844-545-5640. Verify the current Northern Colorado TAC roster before traveling.

Colorado Department of Revenue — Fort Collins service office

The Colorado Department of Revenue operates a regional service office at 3030 S College Avenue, Suite 100, Fort Collins CO 80525, with main offices at 1881 Pierce Street, Lakewood CO 80214. CDOR administers personal income tax under Colo. Rev. Stat. §39-22-104 (flat 4.40%), corporate income tax under §39-22-301, state sales tax under §39-26-106 (2.9%), and the 15% cannabis excise tax under §39-28.8-302.

CDOR Tax Conferee — administrative appeals

The CDOR Tax Conferee at 1881 Pierce Street, Lakewood CO 80214 hears informal administrative protests under Colo. Rev. Stat. §39-21-103. Conferee determinations are subject to judicial review in Larimer County District Court under §39-21-105 for Fort Collins taxpayers, with the Larimer County Justice Center at 201 LaPorte Avenue, Fort Collins, serving as the local state-court venue.

Larimer County Treasurer and Assessor

The Larimer County Treasurer (200 W Oak Street, Suite 2200, Fort Collins CO 80521) collects county property tax. The Larimer County Assessor (200 W Oak Street, Suite 2000, Fort Collins CO 80521) sets valuation. Assessment appeals run through the Larimer County Board of Equalization and on review to the Colorado Board of Assessment Appeals or Larimer County District Court.

City of Fort Collins Finance / Sales Tax Department

The City of Fort Collins Finance Department and Sales Tax Division at 215 N Mason Street, 2nd Floor, Fort Collins CO 80524 administers the city's 3.85% sales tax (state 2.9% + Larimer County 0.8% + city 3.85% = combined 7.55% retail). Disputes follow city administrative procedure with appeal to Larimer County District Court.

CSU and CSU Vet School employer-tax interface

Colorado State University, the CSU College of Veterinary Medicine, and the CSU Veterinary Teaching Hospital handle faculty W-2 reporting through CSU payroll and 1099-MISC reporting for outside-service honoraria. CSU human-resources and benefits offices handle routine payroll-tax questions, but IRS controversy matters — CP2000 underreporter notices on academic 1099 income, §117(c) post-doctoral stipend disputes, foreign-source-income questions for visiting researchers — are referred to private counsel under Form 2848.

Request a free consultation with a Fort Collins-focused tax attorney

A 30-minute call with an attorney costs nothing. Bring your most recent IRS notice, your last filed return, any Colorado Department of Revenue correspondence, your CSU pay statements if you are faculty or a post-doc, your most recent broker statement if you hold Woodward Inc., HPE, Intel, or Agilent equity, and any California FTB notice if you relocated from California. We will tell you which resolution options actually fit your facts before you sign anything.

Frequently asked questions for Fort Collins taxpayers

Reviewed by

Parham Khorsandi, Esq.

Parham Khorsandi, Esq.

Managing Attorney · California Bar #266658 · Admitted to the United States Tax Court

Parham Khorsandi is the managing attorney of Victory Tax Lawyers, LLP. His practice focuses on federal tax controversy — Offer in Compromise negotiations, Installment Agreements, Trust Fund Recovery Penalty defense, audit representation before the IRS Examination function, and litigation before the U.S. Tax Court — with a parallel academic-and-research tax practice covering §117(c) post-doctoral stipend recharacterization, §174 research capitalization for defense and technology employers, §83(b) equity-election work, and California FTB residency-and-source-of-income work for Bay Area transplants to the Front Range. He has represented Fort Collins individual and business taxpayers across U.S. Tax Court, U.S. District Court (District of Colorado, Denver Division), IRS Appeals, and Colorado Department of Revenue Conferee matters, including CSU academic, CSU Vet School clinical, Woodward Inc. classified-research, and Front Range craft-brewing matters.

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Attorney Advertising. Victory Tax Lawyers, LLP is a California-licensed law firm with its principal office at 1100 S. Robertson Boulevard, Los Angeles, CA 90035. Information on this page is general in nature, may not reflect the most recent legal developments, and does not create an attorney-client relationship. This page is not legal advice. Federal tax outcomes depend on individual facts and Internal Revenue Service discretion. Past results do not guarantee future outcomes; each tax matter is unique.

IRS Circular 230 Disclosure. To ensure compliance with requirements imposed by the IRS, any U.S. federal tax advice contained on this page is not intended or written to be used, and cannot be used, for the purpose of (i) avoiding penalties under the Internal Revenue Code or (ii) promoting, marketing, or recommending to another party any transaction or matter addressed herein.

Fort Collins-specific note. VTL attorneys are licensed in California. Federal IRS and U.S. Tax Court representation is provided to Fort Collins residents under Form 2848 Power of Attorney and Tax Court bar admission, which are recognized in all 50 states. California Franchise Tax Board work is handled directly under the firm's California bar admission. Colorado Department of Revenue administrative work is handled remotely under Colorado Form DR 0145 Power of Attorney. Colorado state-court matters requiring Colorado-bar admission — including judicial review of adverse CDOR Tax Conferee determinations in Larimer County District Court — are handled in coordination with Colorado counsel. Academic-tax matters under §117(c), §107, and §174 are federal-statute questions handled directly. Consult a licensed attorney about your specific situation before acting on any content on this page.