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Reviewed by: William McLee
Reviewed date:
January 12, 2026

What CDTFA Form 735 (2024) Is For

CDTFA Form 735 (2024) is used to request relief from penalties, interest, and collection cost recovery fees assessed by the California Department of Tax and Fee Administration. It allows taxpayers to explain why they were unable to meet tax obligations on time and to seek removal of penalty charges tied to a return or payment.

The form applies to CDTFA-administered programs, including sales tax, use tax, and specific excise tax and fee programs. It does not apply to federal income taxes handled by the Internal Revenue Service or to income taxes administered by the Franchise Tax Board.

When You’d Use CDTFA-735

CDTFA-735 is filed after penalties, interest charges, or collection costs appear on billing statements or account notices. Taxpayers typically use it when circumstances beyond their control caused late filing, late payment, or delayed reporting despite reasonable efforts to comply.

It is most often used after the due date has passed and the charges have already been assessed. The form is not used to request filing extensions, which must be handled separately before the deadline.

Key Rules or Details for 2024

The CDTFA evaluates relief requests using a reasonable cause standard, which requires demonstrating that the issue was beyond the taxpayer’s control and not due to negligence. Penalty relief is more commonly approved than interest relief, which is generally limited to agency error situations.

Requests involving a collection cost recovery fee often have stricter requirements, and CDTFA may require the underlying liabilities to be resolved before review. Clear documentation that supports the timeline and circumstances is critical for all relief requests.

Step-by-Step (High Level)

Step 1: Confirm what was assessed and for which periods

The taxpayer should review billing statements and account records to identify the specific periods, charges assessed, and dates associated with the assessments.

Step 2: Confirm filing status and payments

The taxpayer should confirm that the return has been filed for the relevant period and verify the payments that have been posted. If the CDTFA requires full payment before reviewing the request, the taxpayer should plan accordingly or confirm whether a payment agreement is in place.

Step 3: Identify the type of relief being requested

The taxpayer should select the categories that match the charges on the account, such as penalties, collection cost recovery fee, or interest.

Step 4: Write a clear explanation with a dated timeline

The explanation should identify the event, specify the dates it occurred, describe how it affected reporting or payments, and outline the steps taken to comply as soon as possible.

Step 5: Attach supporting documentation

The taxpayer should attach documents that support the key facts and dates in the explanation.

Examples of proper documentation include:

  • Medical records or hospital summaries that confirm a serious illness or emergency.

  • Insurance documents, photos, or incident reports related to a fire, flood, or other natural disaster.

  • Bank records or correspondence showing a payment attempt, rejection, or processing error.

  • Business records or third-party correspondence that confirms a system outage or disruption.

Step 6: Sign and submit the request

The taxpayer should complete the signature section as required and submit the request through the method allowed for their account. If submitting by mail, the taxpayer should keep copies of everything submitted and retain proof of mailing.

Common Mistakes and How to Avoid Them

  • Submitting the request before the return is filed: A taxpayer should file the return for the period first, then submit the relief request so CDTFA can evaluate the issue against a completed filing record.

  • Requesting interest relief based on hardship: A taxpayer should request interest relief only when there is evidence of CDTFA error or delay and otherwise focus on penalty relief supported by reasonable cause.

  • Providing a vague explanation without a timeline: A taxpayer should include specific dates and a precise sequence of events that connect the circumstances to the missed deadline.

  • Failing to attach supporting documentation: A taxpayer should attach proof that supports key statements (notices, payment records, filing confirmation, correspondence, and other relevant documents).

  • Requesting relief for ineligible charges: A taxpayer should confirm that the charges are eligible for relief through the form and match the request to the exact periods and amounts stated on the CDTFA notices.

What Happens After You File

After submission, CDTFA reviews the request, account history, and supporting documentation to determine whether relief is appropriate. Approved requests result in account adjustments that reduce or eliminate penalties or fees. Previously paid amounts may be eligible for a refund through a separate process.

If the request is denied, the CDTFA issues a written explanation, and collection action may continue during the review process. Taxpayers should carefully review notices and respond promptly to any additional requests for information.

FAQs

Can CDTFA-735 be filed before the tax is paid in full?

The CDTFA often expects the underlying tax liability for the period to be resolved before approving many relief requests, and collection cost recovery fee requests may have stricter payment prerequisites.

What situations tend to support penalty relief?

Penalty relief is more likely when the taxpayer can demonstrate a specific event outside their control, a reasonable effort to comply, and a prompt return to compliance, supported by documentation.

Can interest be removed if the taxpayer had cash-flow issues?

Interest relief is generally limited to situations involving qualifying agency errors, so ordinary financial hardship and cash-flow problems usually do not qualify.

How should a disaster-related request be described?

A disaster request should identify the disaster, its location, the relevant dates, and the specific ways the disaster prevented timely filing or payment, and it should be supported by documentation.

Does this form apply to federal income tax return penalties?

This form applies to CDTFA-administered taxes and fees, but not to Internal Revenue Service penalties associated with a federal tax return. IRS penalty issues may involve IRS Form 843 or another federal form process.

What should be included with the request?

The request should include the activities and documentation that support each key statement in the narrative.

Does filing the request stop collection activity?

Filing a relief request does not automatically stop collection action; therefore, the taxpayer should continue to monitor the account and respond to CDTFA notices while the request is being reviewed.

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Frequently Asked Questions