The California Franchise Tax Board is one of the most aggressive state tax agencies in the country. The FTB collects California’s personal income tax, corporate income tax, and franchise tax, and it does so with enforcement tools and investigative capabilities that rival — and in some cases exceed — those of the Internal Revenue Service. If the FTB has contacted you about a residency audit, income tax assessment, unfiled return, or collection action, you are dealing with an agency that has the legal authority to levy your bank accounts, garnish your wages, suspend your professional licenses, and intercept your federal tax refunds.

Unlike the IRS, which must generally provide 30 days’ notice before levying, the FTB can act with minimal warning. The agency’s budget has grown significantly over the past decade, and its audit division has become increasingly sophisticated in targeting high-income individuals — particularly those who claim to have left California but maintain connections to the state.

Brotman Law represents individuals and businesses in every type of FTB dispute. We have personally handled hundreds of Franchise Tax Board cases, including some of the most complex residency audits the agency has pursued. We understand the FTB’s procedures, its audit methodology, and the legal standards it applies at every stage — from the initial contact letter through OTA hearings — because this is all we do.

Call (619) 378-3138 to speak with a California FTB attorney today.

FTB Residency Audits — California’s Most Aggressive Tax Enforcement

If you earn a high income and have left California — or are planning to leave — the FTB residency audit is the single most important tax risk you face. California’s top marginal income tax rate is 13.3%, the highest in the nation. For a taxpayer earning $5 million per year, the difference between being a California resident and a non-resident can exceed $665,000 annually. The FTB knows this, and it aggressively audits individuals who stop filing California resident returns after relocating.

Residency audits are not random. The FTB targets specific taxpayers based on filing pattern changes, income levels, and data matching with other agencies. If you filed a California resident return reporting $2 million in income one year and then filed a non-resident or part-year return the next, the FTB’s audit selection algorithm has likely flagged your return.

Who Gets Audited

The FTB’s residency audit program focuses on several categories of taxpayers:

• High-income individuals who claim to have left California. This is the primary target group. If you were a California resident earning significant income and you moved to a no-income-tax state like Nevada, Texas, Florida, or Washington, the FTB will scrutinize whether you truly changed your domicile.
• Part-year residents. If you filed a part-year return claiming you left California mid-year, the FTB may challenge the date you actually became a non-resident.
• Individuals with significant California-source income. Even if you are a non-resident, the FTB may audit your allocation of income between California and non-California sources.
• Taxpayers who stop filing California returns entirely. If you were a long-time California filer and simply stopped filing, the FTB will investigate whether you actually left or simply stopped complying.

The Legal Framework: Domicile vs. Statutory Residence

California uses two independent tests to determine residency, codified in Revenue and Taxation Code section 17014. You are a California resident if you meet either test:

1. Domicile test. You are domiciled in California. Your domicile is the place you intend to be your permanent home — the place you intend to return to whenever you are absent. You can only have one domicile at a time, and once established, your domicile does not change until you establish a new domicile in another state with the intent to remain there permanently.
2. Statutory residence test (the 183-day rule). You are present in California for more than nine months (approximately 275 days) during the taxable year for other than a temporary or transitory purpose. Under the FTB’s “safe harbor” provisions outlined in Revenue and Taxation Code sections 17014 through 17016 and FTB Publication 1031, an individual who is domiciled outside California and is in California for fewer than 183 days during the taxable year is considered a safe harbor non-resident — provided they do not maintain a permanent abode in California.

The distinction matters because even if you are present in California for fewer than 183 days, the FTB can still argue you are a resident based on domicile. The safe harbor only protects you if you have already established domicile outside California.

The FTB’s Residency Factors

When the FTB conducts a residency audit, it evaluates your connections to California using a multi-factor “closest connections” test. No single factor is determinative — the FTB looks at the totality of your circumstances. The factors the FTB examines include:

• Amount of time spent in California versus outside California. The FTB will request a day-by-day calendar showing where you were physically present during the audit year. This is usually the most important single factor.
• Location of your spouse and dependent family members. If your spouse and children remain in California while you claim to have moved to Nevada, the FTB will argue your domicile never changed.
• Location of your principal residence. Do you still own a home in California? Is it furnished and maintained as a residence, or has it been rented out or sold?
• Where you are registered to vote. Voter registration is a strong indicator of domicile. If you are still registered to vote in California — or if you voted in a California election after claiming to have moved — the FTB will use this against you.
• Where your vehicles are registered. California DMV records are easily accessible to the FTB. If your car is still registered in California, that suggests ongoing California residency.
• Where your professional licenses are held. If you hold a California medical license, law license, CPA license, or contractor’s license, the FTB will note this.
• Where your bank accounts are maintained. The FTB will review where your primary banking and financial relationships are located.
• Location of social ties. Country club memberships, religious organization affiliations, gym memberships, doctors, dentists — the FTB examines all of these to determine where your life is centered.
• Where your business connections are maintained. If your business is in California, your employees are in California, and your clients are in California, the FTB will argue that your economic life is centered in the state.

How the FTB Investigates

The FTB’s residency audit unit has become increasingly sophisticated in gathering evidence. Modern FTB residency audits routinely involve analysis of:

• Cell tower data. The FTB can subpoena records from your mobile carrier showing which cell towers your phone connected to — creating a geographic map of your physical presence throughout the audit period.
• Credit card and debit card records. Every transaction creates a geographic data point. The FTB will analyze your spending patterns to determine where you were physically present.
• Social media activity. The FTB reviews Facebook, Instagram, LinkedIn, and other social media platforms for posts, check-ins, photos with geolocation data, and other evidence of physical presence.
• EZ-Pass, FasTrak, and toll records. Electronic toll records show when and where you were driving — and in which state.
• Airline and travel records. The FTB can subpoena airline passenger records to determine your travel patterns between California and your claimed new state.
• Medical and dental records. Where you see your doctors provides evidence of where your life is centered.
• Delivery and shipping records. Amazon delivery addresses, package shipping records, and mail forwarding arrangements all create evidence the FTB can use.

The level of detail in a modern FTB residency audit cannot be overstated. The FTB auditor will attempt to reconstruct a near-complete picture of your daily life during the audit period. This is why proper documentation before and during a move is so critical, and why our clients benefit from having an attorney who has defended these audits hundreds of times and knows exactly what the FTB is looking for.

The “Closest Connections” Test

After gathering evidence on all of the factors above, the FTB applies a “closest connections” analysis. The question is not whether you have any connections to California — most people who leave California will retain some connections. The question is whether your closest connections, taken as a whole, are to California or to your new state.

This is inherently a judgment call, and it’s where an experienced FTB attorney makes the biggest difference. We know how to frame the evidence, highlight the connections to your new state, and explain the California connections that remain. We have personally defended residency audits where the taxpayer spent significant time in California, owned California property, and maintained California business relationships — and we won because we demonstrated that the taxpayer’s closest connections had genuinely shifted to the new state.

Key Statutes and Resources

The legal framework governing California residency is found in:

• Revenue and Taxation Code section 17014 — Definition of “resident” and “nonresident”
• Revenue and Taxation Code section 17015 — Change of residency during the taxable year
• Revenue and Taxation Code section 17016 — Residents temporarily outside California
• FTB Publication 1031 — Guidelines for determining resident status

For a comprehensive analysis of California’s residency rules and how the FTB applies them, see our Ultimate Guide to Personal Income Tax Residency in California.

Types of FTB Audits and Disputes

While residency audits are the FTB’s highest-profile enforcement action, the agency conducts several other types of audits and issues various types of assessments. Here is what you need to know about each.

Residency Audits

Covered in detail above, residency audits are the FTB’s signature enforcement action. These are the most complex, most expensive, and highest-stakes audits the FTB conducts. A residency audit can cover multiple tax years and result in assessments exceeding millions of dollars. If you have received a residency audit contact letter from the FTB, read the section above carefully and contact our office immediately.

Income Tax Audits (Individual and Business)

The FTB audits individual and business income tax returns for a variety of issues beyond residency, including unreported income, improper deductions, California-source income allocation disputes, and conformity issues between federal and California tax law. California does not conform to all federal tax provisions, which creates audit triggers when taxpayers apply federal rules that California does not follow. These audits can run in parallel with an IRS audit on the same tax years.

FTB Demand for Tax Return

If the FTB believes you should have filed a California income tax return and you did not, it will issue a Demand for Tax Return. This is not the same as an audit — it is a demand that you file. If you do not respond to the demand, the FTB will proceed to file a return on your behalf using the information it has, which almost always results in a higher tax liability than your actual return would show.

FTB Estimated Assessments

When the FTB files a return on your behalf — known as an estimated or “substitute for return” assessment — it typically uses income information from W-2s, 1099s, and other information returns, but does not give you credit for any deductions, exemptions, or credits you would be entitled to. The resulting assessment is almost always significantly higher than your actual tax liability. The solution is to file your actual return and protest the estimated assessment, but there are strict deadlines for doing so.

S Corporation and Partnership Audits

The FTB audits pass-through entities for proper reporting of California-source income, apportionment, compliance with California’s mandatory withholding requirements for non-resident members and shareholders, and proper filing of California returns. These audits can affect both the entity and its individual owners, creating multi-layered disputes. A business tax attorney can coordinate defense across all affected parties.

Cannabis Business Audits

California cannabis businesses face unique tax challenges because of the conflict between state and federal law. These businesses are also frequent targets for CDTFA sales tax audits and EDD payroll tax audits. Under IRC section 280E, businesses trafficking in controlled substances cannot deduct ordinary business expenses for federal tax purposes. California partially conforms to this rule but has its own set of adjustments. The FTB audits cannabis businesses aggressively, and the interplay between IRC 280E, California’s conformity provisions, and the state’s separate cannabis excise taxes creates complex audit issues. See our FTB strategies page for more detail.

The FTB Audit Process

Understanding the FTB audit process — and the timeline for each step — allows you to make strategic decisions at every stage. Here is how an FTB audit typically proceeds:

1. Initial contact letter. The FTB sends a letter notifying you that your return has been selected for audit. For residency audits, this is typically a detailed letter explaining that the FTB is examining your residency status. Timeline: This is day one. Do not respond before consulting an attorney.
2. Information Document Request (IDR). The FTB auditor sends a formal request for documents and information. For residency audits, this will be extensive — the FTB will request calendars, cell phone records, credit card statements, travel records, property records, voter registration, vehicle registration, and dozens of other categories of documents. Timeline: You typically have 30 to 60 days to respond to an IDR, but extensions are available.
3. Examination. The FTB auditor reviews your documents, conducts interviews, and gathers additional information. For residency audits, this phase is often the longest and most intensive. Timeline: The examination phase can last 1 to 3 years for complex residency audits. Simpler income tax audits may take 6 to 12 months.
4. Notice of Proposed Assessment (NPA). If the FTB determines you owe additional tax, it issues an NPA setting forth the proposed tax, interest, and penalties. Timeline: Issued at the conclusion of the examination. You have 60 days to protest or the assessment becomes final.
5. Protest to FTB. You file a written protest with the FTB challenging the NPA. This is a critical document — your protest must identify the specific issues you are challenging, the legal basis for your position, and the facts that support your case. Timeline: Must be filed within 60 days of the NPA. The FTB Protest Unit will acknowledge receipt and assign the case to a protest hearing officer.
6. FTB Protest Unit review. The Protest Unit is separate from the Audit Division. A protest hearing officer reviews your case independently and may request additional information or schedule a conference. Timeline: The protest process typically takes 1 to 2 years, sometimes longer.
7. Office of Tax Appeals (OTA) hearing. If your protest is denied or partially denied, you can appeal to the California Office of Tax Appeals. The OTA replaced the State Board of Equalization for tax appeals filed after January 1, 2018. The OTA is an independent tribunal that conducts de novo hearings. Timeline: OTA hearings are typically scheduled 6 to 18 months after the appeal is filed. Cases filed before 2018 may have been heard by the State Board of Equalization.
8. Superior Court appeal. If the OTA rules against you, your final option is to pay the tax and file a claim for refund, which if denied, allows you to file suit in California Superior Court. Timeline: Superior Court litigation can take 1 to 3 additional years.

From initial contact letter to final resolution, a contested FTB residency audit can take 3 to 7 years. We strongly recommend getting us involved from the beginning — ideally at the initial contact letter stage — because early engagement gives you the best chance of resolving the matter favorably and at the earliest possible stage.

FTB Collections — What Happens If You Owe

The FTB’s collection powers are arguably more aggressive than the IRS’s. If you owe the Franchise Tax Board money and do not resolve the debt, the consequences escalate quickly. For a detailed breakdown, see our Ultimate Guide to California FTB Collections.

Liens

The FTB files a state tax lien automatically when your balance reaches $250 for individuals (compared to the IRS threshold, which is significantly higher). A state tax lien attaches to all of your property — real estate, vehicles, bank accounts, investment accounts — and appears on your credit report. The FTB also has the authority to record the lien with the county recorder’s office in any county where you own property.

Bank Levies

The FTB can levy your bank accounts, and unlike the IRS — which is generally required to provide a 30-day notice before levying — the FTB can levy bank accounts without advance notice in certain situations. When the FTB issues a bank levy, the bank must freeze the funds in your account and remit them to the FTB after a brief holding period.

Wage Garnishments

The FTB can issue an Earnings Withholding Order to your employer, garnishing up to 25% of your disposable earnings. Your employer is legally required to comply with the order and send the garnished wages directly to the FTB.

State Tax Refund Offsets

If you are owed a California state tax refund, the FTB will intercept it and apply it to your outstanding balance. The FTB also participates in a federal-state refund offset program, meaning the FTB can intercept your federal tax refund as well.

Professional License Suspension and Denial

The FTB has the authority to certify your tax debt to professional licensing boards, which can result in the suspension, revocation, or denial of professional licenses — including medical licenses, law licenses, CPA licenses, real estate licenses, and contractor’s licenses. The FTB can also place holds on contractor licenses through the Contractors State License Board.

FTB Offer in Compromise Program

The FTB does have an offer in compromise program that allows you to settle your tax debt for less than the full amount owed. A tax debt relief attorney can evaluate both state and federal options simultaneously. However, the FTB’s program is significantly more restrictive than the IRS’s. The FTB requires that you demonstrate both inability to pay the full amount and that collection of the full amount would create an economic hardship. The FTB grants far fewer offers in compromise than the IRS — but for qualifying taxpayers, it can provide meaningful relief.

Installment Agreements

The FTB offers installment agreements for taxpayers who cannot pay their full balance immediately. The FTB generally requires you to pay the balance within five years and charges interest on the unpaid amount. Negotiating an installment agreement requires careful analysis of your financial situation and, in many cases, negotiation with the FTB over the monthly payment amount.

What an FTB Attorney Does That a CPA Cannot

CPAs play a critical role in tax compliance and financial reporting. But when you are facing an FTB dispute — particularly a residency audit — there are things only an attorney can do:

• Attorney-client privilege. This is the single most important distinction. Communications between you and your attorney made for the purpose of seeking legal advice are privileged and cannot be compelled by the FTB. Communications with your CPA are generally not privileged. In residency audits — where the facts are complex, the stakes are high, and the information you share with your representative could be used against you — attorney-client privilege is not a luxury. It is a necessity.
• OTA hearing representation. While CPAs can represent taxpayers at OTA hearings, the OTA is an adversarial legal proceeding. The FTB is represented by its own attorneys. You need an advocate with litigation experience who can present evidence, cross-examine witnesses, and make legal arguments before the tribunal.
• Superior Court litigation. If your case reaches Superior Court, only an attorney can represent you. A CPA cannot file a lawsuit or appear in court on your behalf.
• Negotiation leverage. FTB auditors and protest hearing officers know the difference between a taxpayer represented by a CPA and a taxpayer represented by an attorney who handles FTB cases regularly. An attorney’s involvement signals that you are prepared to take the case through every level of review — including litigation — if necessary.
• Protection against criminal referral. In rare but serious cases, the FTB may refer a matter for criminal prosecution for tax evasion under California Revenue and Taxation Code section 19706. If there is any risk of criminal exposure — including situations where you may have filed inaccurate returns or failed to disclose income — you need attorney-client privilege protecting your communications from the moment the audit begins.
• Residency planning and pre-departure structuring. An attorney can help you structure your departure from California to withstand FTB scrutiny, advise you on timing, and create a contemporaneous record of your intent to change domicile — all of which are critical if the FTB later audits your move.

We work alongside your CPA. Your accountant handles your returns and financial reporting. We handle the FTB dispute.

Brotman Law FTB Results

Results matter. Here are representative outcomes from FTB cases our firm has handled:

Every case is different. Past results do not guarantee future outcomes. But these cases illustrate what is possible with experienced representation and a well-prepared defense. See more on our results page, or explore our California income tax audit strategies.

Residency Planning — Before You Leave California

The best time to hire an FTB attorney is before you leave California — not after the FTB audits you. Pre-departure planning is the single most effective strategy for avoiding or winning a residency audit.

Why Pre-Departure Planning Matters

The FTB’s residency audit examines your intent at the time of the move. If you documented your intent to change domicile contemporaneously — through specific, verifiable actions taken before and immediately after the move — your position is dramatically stronger than if you try to reconstruct your intent years later during an audit.

The Safe Harbor Checklist

To qualify for safe harbor protection under FTB Publication 1031, you must spend fewer than 183 days in California during the tax year and not maintain a permanent abode in the state. But meeting the safe harbor is only the minimum. To build a defensible position, you should also:

• Change your voter registration to your new state before the tax year begins.
• Re-register your vehicles in your new state and obtain a new driver’s license.
• Update your bank accounts and financial relationships — open new accounts in your new state and close or transition California accounts.
• Establish a principal residence in your new state — either purchase or lease a home that serves as your primary residence.
• Move your social connections. Join clubs, organizations, and religious institutions in your new state. Transfer your medical care to doctors in your new state.
• Update professional licenses. If you hold California professional licenses, obtain equivalent licenses in your new state where applicable.
• Keep a contemporaneous calendar. Track your physical location every day. This calendar becomes your most important piece of evidence if the FTB audits you.

Common Mistakes That Trigger Audits After a Move

• Keeping your California home as a furnished, available residence — even if you “plan to sell it”
• Leaving your spouse and children in California while you claim to have moved
• Spending more than 183 days in California in the year of the move
• Failing to update voter registration, vehicle registration, and driver’s license
• Continuing to see California doctors, attend a California church, and maintain California social connections
• Posting on social media from California locations after claiming to have left

The FTB is looking for taxpayers who changed their tax address but did not change their life. If you consult with an attorney before you leave, we can help you build a factual record that demonstrates a genuine change of domicile — not just a change of filing status.

For detailed planning guidance, see our Ultimate Guide to California Residency or book a consultation to discuss your specific situation.

How We Defend Your FTB Case: Step by Step

1. Free Intro Call — We review your FTB notice and assess the dispute type (residency audit, income tax, responsible party).
2. Power of Attorney — We file FTB Form 3520 so the FTB contacts us directly.
3. Evidence Gathering — For residency audits, we compile your “closer connection” evidence: voter registration, driver’s license, property records, professional ties, social connections.
4. FTB Response — We prepare and submit your response to the Notice of Proposed Assessment with supporting documentation.
5. Protest Filing — If the FTB sustains the assessment, we file a formal protest within 60 days.
6. Settlement Negotiation — We negotiate directly with FTB Legal Division for a reduced assessment.
7. OTA Appeal — If settlement fails, we represent you at the Office of Tax Appeals.
8. Resolution — We close the matter through settlement, installment agreement, or FTB OIC.

Call (619) 378-3138 to get started with a free intro call.

What Only a Practitioner Would Know About FTB Disputes

FTB Residency Audits Are Nothing Like IRS Audits

The FTB uses a “closest connections” test that examines where you vote, where your doctors are, where your pets’ veterinarians are located, and where your children attend school. They will subpoena cell phone records to map your physical location. We prepare clients with a 50+ factor analysis before the audit begins — because the FTB will examine every one of them. The level of personal detail the FTB demands is unlike anything the IRS requires, and clients who are not prepared for it are overwhelmed from day one.

The Protest Process Has a Hidden Advantage

When you file a protest with the FTB, the case is assigned to a Settlement Bureau attorney — not the original auditor. These attorneys have authority to reduce assessments and will often negotiate if you present a documented legal argument. We have resolved six-figure FTB disputes through Settlement Bureau negotiations that never reached the OTA. The protest stage is not just a procedural step — it is a genuine settlement opportunity that we leverage in every case.

The OTA Changed Everything — And Most Attorneys Haven’t Adapted

The Office of Tax Appeals (OTA) replaced the Board of Equalization for FTB disputes in 2018. OTA panels are three-person panels of tax attorneys, and they issue written opinions that create precedent. The formality level is closer to Tax Court than the old BOE hearings. We prepare full legal briefs with case citations for every OTA hearing. The attorneys who still treat OTA hearings like the old BOE process — informal, conversational, light on documentation — are consistently losing cases that could have been won.

FTB Penalties Can Exceed the Tax — And They’re Separately Appealable

The FTB’s accuracy-related penalty (R&TC §19164) is 20% of the underpayment, and the demand penalty (R&TC §19133) adds another 25% if you do not respond to notices. Combined with interest, penalties can exceed the original tax. We file separate penalty abatement requests under R&TC §19187 for reasonable cause — a step most attorneys skip entirely. We have saved clients hundreds of thousands of dollars on penalties alone by treating penalty abatement as its own distinct workstream rather than an afterthought buried in the appeal.