How to Get Audit Penalties Abated with the CDTFA

Marc Boulanger • June 24, 2025
A woman is sitting at a desk reading a piece of paper that says cdtfa

If you've been audited by the California Department of Tax and Fee Administration (CDTFA) and received a hefty assessment, chances are that the final amount includes not just tax—but also penalties and interest.



The CDTFA is notorious for stacking penalties on top of already large sales tax debts. In many cases, penalties account for 20% to 50% of the total bill. But here’s what most business owners don’t know: you may be able to get those penalties reduced—or removed entirely.


At Boulanger CPA and Consulting PC, we help California businesses defend against CDTFA audits and fight to abate audit-related penalties. In this post, we’ll walk through how penalty abatement works, what qualifies, and how to maximize your chances of success.


What Penalties Does the CDTFA Assess?

Common CDTFA penalties include:

Penalty Type Amount
Negligence Penalty 10% of tax due
Late Filing Penalty 10% of tax due
Late Payment Penalty 10% (plus monthly interest)
Failure to File Up to 25% of tax due
Fraud Penalty 25%–40% (plus risk of criminal referral)
Finality Penalty 10% additional if the audit becomes final without payment

These penalties stack. For example, a $100,000 tax bill can easily become $130,000–$160,000 with penalties and interest.

When Can You Request Penalty Abatement?

Penalty abatement can be requested:


  • Before the audit is final

  • After the audit assessment becomes final, through a relief request

  • As part of a settlement negotiation with CDTFA or during the appeals process

You’ll need to show that the penalty was inappropriate, excessive, or that you had reasonable cause for the underlying issue.


Penalties You Can’t Remove Easily

  • Interest is generally not abatable (unless due to CDTFA delay)

  • Tax due is not removable unless you win at appeal or protest

  • Fraud penalties are extremely hard to remove unless the fraud allegation is dropped

Valid Reasons for Penalty Abatement

The CDTFA may grant relief if:


1. You Had Reasonable Cause


You made an honest mistake, had a system error, or relied on professional advice.


Examples:


  • Bookkeeper filed wrong return

  • POS system misreported sales

  • Pandemic-related business disruption

  • Inherited recordkeeping mess from a prior owner

2. You Acted in Good Faith


You filed returns or made payments late, but were not intentionally avoiding tax.


3. First-Time Offense


You have no prior audit history or have filed properly in the past.


4. Natural Disaster or Emergency


Fire, flood, medical emergency, or other events outside your control disrupted operations.


How to File a CDTFA Penalty Abatement Request

To request penalty relief, you can:


  1. Submit Form CDTFA-735 Request for Relief from Penalty and Interest

  2. Include a detailed explanation of why the penalty should be removed

  3. Provide supporting documentation (emails, reports, contracts, system logs, etc.)

  4. Have a CPA or attorney submit the request on your behalf

The CDTFA may contact you for more information or issue a written response.


Bonus Tip: Use the “Relief from Finality” Tool if Needed

If your audit has already gone final and you failed to respond in time, you may still be able to:


  • File a petition to reopen the case

  • Request relief from finality penalties under CDTFA's internal guidelines

We’ve used this successfully in cases where clients missed notices or were improperly served.


Real Example – Penalty Reduced from $42,000 to $4,200

A client in Orange County was assessed nearly $130,000 in sales tax, penalties, and interest after a CDTFA audit. We challenged the 10% negligence penalty and proved that the discrepancy was due to a POS error. The CDTFA abated 90% of the penalty—saving the client over $37,000.

Local Help with CDTFA Penalty Relief

We’ve helped business owners in:



  • Orange

  • Santa Ana

  • Costa Mesa

  • Anaheim

  • Riverside

  • San Diego
    …and throughout California

Whether your audit just started or the CDTFA has already issued a final bill, we can help you reduce penalties and fight back.


Want to Remove CDTFA Audit Penalties? Let’s Talk.

You don’t have to accept the CDTFA’s penalty numbers as final. Let us evaluate your case and file a strategic relief request on your behalf.


📞 Call (657) 218-5700 or Schedule Your Consultation Now


Frequently Asked Questions

What kinds of penalties does the CDTFA impose after an audit?

Common CDTFA penalties include late filing, late payment, negligence, fraud, and failure to file. Penalties can range from 10% to 40% of the assessed liability depending on the findings.

Can CDTFA audit penalties be removed?

Yes. The CDTFA offers penalty relief in cases where you can show reasonable cause, lack of willful neglect, or circumstances beyond your control. A formal written request is required, often supported by financial records or a CPA’s explanation.

What is considered “reasonable cause” for penalty abatement?

Examples include serious illness, natural disasters, software failure, theft, or relying on incorrect professional advice. Simply not knowing the law is not enough—documentation is key.

Does abating a penalty reduce interest too?

No. Even if a penalty is abated, the interest generally continues to accrue until the tax is paid in full. The CDTFA rarely waives interest except in cases of agency delay or error.

Should I hire a CPA to request penalty relief?

Yes. A CPA can frame your request using proper legal language, attach documentation, and negotiate with the CDTFA on your behalf. This increases your odds of success and avoids missteps.

other articles of interest


📣 About the Author


Marc Boulanger, CPA
 is the founder of Boulanger CPA and Consulting PC, a boutique tax resolution firm based in Orange County, California and trusted by high-income individuals and business owners across Southern California.


He is the author of Defend What’s Yours: A California Taxpayer’s Guide to Beating the IRS and FTB at Their Own Game, available now on Amazon. The book offers a step-by-step plan for resolving IRS and FTB tax debt without losing your business, your home, or your peace of mind.


With over a decade of experience resolving high-stakes IRS and State tax matters, Marc brings strategic insight to complex cases involving wage garnishments, bank levies, unfiled returns, and six-figure tax debts. He is known for helping clients reduce or eliminate tax liabilities through expertly negotiated settlements and compliance plans.


Marc is a Certified Public Accountant licensed in California and Oklahoma and holds the designation of Certified Tax Representation Consultant. He is a member of the American Society of Tax Problem Solvers (ASTPS) — the national organization founded by the educators and practitioners who have trained thousands of CPAs, EAs, and tax attorneys in IRS representation strategy.


Every case is handled with discretion, proven methodology, and direct CPA-led representation — not call center scripts.


📍 Learn more at www.orangecounty.cpa or call (657) 218-5700.


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