# Comprehensive Tax Resolution > CPA-led IRS tax resolution firm helping individuals and businesses in all 50 states resolve back taxes, stop wage garnishments and levies, defend audits, and negotiate Offers in Compromise. Founded by Franklin Sofi, CPA, CTRS. Call (214) 646-3802. Comprehensive Tax Resolution LLC (CTR) is a licensed CPA firm specializing in IRS tax resolution. We represent taxpayers nationwide before the IRS for collections, audits, appeals, and settlements. Our work is performed by a CPA and tax resolution specialist — not a sales rep or case manager. ## Core pages - [Home](/): Overview of CTR's IRS resolution services and credentials. - [About](/about): Firm background, mission, and approach. - [Franklin Sofi, CPA, CTRS](/about/franklin-sofi): Founder biography and professional credentials. - [How It Works](/how-it-works): Five-step CTR engagement process — investigation, compliance, resolution, monitoring. - [Free Consultation](/free-consultation): What to expect on the consultation call and how to prepare. - [Editorial Standards](/editorial-standards): How content is researched, written, and reviewed. - [Contact](/contact): Phone, email, and office address. - [Reviews](/reviews): Client reviews and ratings. - [Results](/results): Anonymized client outcomes. - [FAQ](/faq): Common questions about IRS tax resolution. ## Service categories - [All services](/services): Full catalog of IRS resolution services. - [Tax Debt Relief](/services/tax-debt-relief): OIC, installment agreements, CNC, penalty abatement, innocent spouse, back taxes. - [IRS Collections Defense](/services/irs-collections-defense): Wage garnishment release, bank levy release, tax liens, seizures. - [Audit & Examination](/services/audit-defense): IRS audit representation, Appeals, CP2000 response, examination reconsideration. - [Business Tax](/services/business-tax): Payroll tax, Trust Fund Recovery Penalty, 941/940 resolution, sales & use tax. ## Specific services - [Offer in Compromise](/services/tax-debt-relief/offer-in-compromise): IRS settlement program — pay less than you owe based on Reasonable Collection Potential. - [Installment Agreement](/services/tax-debt-relief/installment-agreement): Monthly payment plan with the IRS. - [Currently Not Collectible](/services/tax-debt-relief/currently-not-collectible): Pause IRS collection when you can't pay. - [Penalty Abatement](/services/tax-debt-relief/penalty-abatement): Remove IRS penalties via First-Time Abatement or reasonable cause. - [Innocent Spouse Relief](/services/tax-debt-relief/innocent-spouse-relief): Get out from under a spouse's tax debt. - [Back Taxes Help](/services/tax-debt-relief/back-taxes): Resolve old unpaid tax liabilities. - [Wage Garnishment Release](/services/irs-collections-defense/wage-garnishment): Stop IRS wage levies fast. - [Bank Levy Release](/services/irs-collections-defense/bank-levy): Release a frozen bank account. - [Tax Lien Help](/services/irs-collections-defense/tax-liens): Withdrawal, discharge, subordination of Notice of Federal Tax Lien. - [IRS Audit Representation](/services/audit-defense/irs-audit-representation): Correspondence, office, and field audit defense. - [IRS Appeals](/services/audit-defense/irs-appeals): Challenge IRS exam results before Appeals Officers. - [CP2000 Response](/services/audit-defense/cp2000-response): Respond to underreporter notices. - [Payroll Tax Problems](/services/business-tax/payroll-tax): 941 liabilities, federal tax deposits, business survival. - [Trust Fund Recovery Penalty](/services/business-tax/trust-fund-recovery): Defend against personal TFRP assessment. - [Unfiled Returns](/services/tax-debt-relief/back-taxes): File missing returns and get current. ## Resources - [Resources index](/resources): Guides, forms, notices, and glossary. - [IRS Notice Lookup](/resources/notice-lookup): Identify any IRS notice (CP, LT, Letter) by number. - [IRS Notice Library](/resources/irs-notices): Plain-English explanations of common IRS notices. - [IRS Form Library](/resources/irs-forms): Common IRS forms used in tax resolution. - [Tax Resolution Glossary](/resources/glossary): IRS and tax-resolution terminology. - [CPA vs. Tax Attorney for IRS Help](/resources/cpa-vs-tax-attorney-for-irs-help): Decision guide — who you actually need. - [How Much Does Tax Resolution Cost?](/resources/how-much-does-tax-resolution-cost): Honest fee ranges by service + red flags to avoid. - [How Long Does Tax Resolution Take?](/resources/how-long-does-tax-resolution-take): Realistic IRS resolution timelines by case type. - [Blog](/blog): Articles on IRS procedure, collections, audits, and settlement. ## IRS notices explained - [CP14 — Balance Due](/resources/irs-notices/cp14): Your first IRS bill. Pay, set up an agreement, or dispute within 21 days. - [CP501 — First Reminder of Balance Due](/resources/irs-notices/cp501) - [CP503 — Second Reminder](/resources/irs-notices/cp503) - [CP504 — Notice of Intent to Levy State Refunds](/resources/irs-notices/cp504): IRS will levy your state tax refund and may begin levying assets. - [CP508C — Passport Certification](/resources/irs-notices/cp508c): IRS certified your tax debt as seriously delinquent — affects passport. - [CP523 — Default of Installment Agreement](/resources/irs-notices/cp523) - [CP2000 — Underreported Income](/resources/irs-notices/cp2000): IRS proposes changes based on 1099/W-2 mismatch. - [LT11 / Letter 1058 — Final Notice of Intent to Levy](/resources/irs-notices/lt11): Triggers 30-day window to request a CDP hearing. - [Letter 525 — Examination Report (30-Day Letter)](/resources/irs-notices/letter525) - [Notice of Deficiency (90-Day Letter)](/resources/irs-notices/notice-deficiency): Ticket to U.S. Tax Court. ## IRS forms — detailed guides - [Form 656 — Offer in Compromise](/resources/irs-forms/form-656): Application to settle IRS debt for less than owed. - [Form 433-A — Collection Information Statement (Individuals)](/resources/irs-forms/form-433a): Personal financial disclosure for IAs, CNC, and OICs. - [Form 433-B — Collection Information Statement (Businesses)](/resources/irs-forms/form-433b): Business financial disclosure. - [Form 2848 — Power of Attorney](/resources/irs-forms/form-2848): Authorizes representation before the IRS. - [Form 8821 — Tax Information Authorization](/resources/irs-forms/form-8821): Transcript access without representation rights. - [Form 9465 — Installment Agreement Request](/resources/irs-forms/form-9465): Request a monthly payment plan. - [Form 12153 — Request for CDP or Equivalent Hearing](/resources/irs-forms/form-12153): Triggered by LT11 / Letter 1058 / Letter 3172. - [Form 8857 — Innocent Spouse Relief](/resources/irs-forms/form-8857): Relief from joint liability. - [Form 843 — Claim for Refund and Request for Abatement](/resources/irs-forms/form-843): Penalty and interest abatement. - [Form 4180 — Trust Fund Recovery Penalty Interview](/resources/irs-forms/form-4180): TFRP responsible-party determination. ## Blog — featured articles - [How an Offer in Compromise actually works](/blog/how-an-offer-in-compromise-actually-works): The Reasonable Collection Potential formula and OIC qualification. - [What to do when you get a CP2000 notice](/blog/what-to-do-when-you-get-a-cp2000-notice): Step-by-step response. - [Wage garnishment — how to stop it fast](/blog/wage-garnishment-how-to-stop-it-fast): Mechanics of levy release. - [Owe the IRS more than $10,000? Here's what happens next](/blog/owe-the-irs-more-than-10000): Collection escalation timeline. - [IRS statute of limitations (CSED) explained](/blog/irs-statute-of-limitations-csed-explained): 10-year collection clock and tolling events. - [IRS CP504 notice — what it means](/blog/irs-cp504-notice-what-it-means) - [IRS back taxes and unfiled returns survival guide](/blog/irs-back-taxes-unfiled-returns-survival-guide) ## Optional - [Privacy policy](/privacy-policy) - [Terms](/terms) - [Disclaimer](/disclaimer)