General, Non-Confidential Tax Questions Form Español

Privacy Notice on Collection

We are committed to answering your questions. Use the form below to email your general, non-confidential tax questions to the California Department of Tax and Fee Administration (CDTFA). Our goal is to respond to general inquiries within nine business days.

If you are requesting written advice, please allow up to 30 business days. To avoid penalties and interest, you must continue to file and pay your taxes while waiting for your response.

If more time is needed to provide a response, we will notify you with an email. For immediate assistance, you can chat with a virtual agent, contact our Customer Service Center, or visit your nearest CDTFA field office.

When completing the form, the following subjects are available for you to select:

General Questions
For all general, non-confidential questions.
Request Tax Forms
For assistance if you are unable to obtain the form needed from our Forms and Publications page or through your Online Services portal.
Contact the Webmaster
For assistance with technical issues or errors on our website.
Taxpayers' Rights Advocate Office
For assistance if you have been unable to resolve a matter through normal channels, want information regarding specific procedures or circumstances, or when there are apparent rights violations in the audit or collection of taxes or fees.
Sales and Use Tax (SUT)
  • SUT Registration: For assistance with all SUT registration questions including the Lumber Products Assessment and Local Prepaid Mobile Telephone Users Surcharge. This does not include Timber Tax or Telecommunication Service Suppliers. For help with these programs, choose the appropriate Special Taxes and Fees (STF) option.
  • SUT Return Filing: For assistance with all SUT return filing questions including the Lumber Products Assessment and Local Prepaid Mobile Telephone Users Surcharge. This does not include Timber Tax or Telecommunication Service Suppliers. For help with these programs, choose the appropriate STF option.
  • SUT Tax Law or Regulation Clarification: For assistance with all tax law and regulation questions regarding SUT including the Lumber Products Assessment and Local Prepaid Mobile Telephone Users Surcharge. This does not include Timber Tax or Telecommunication Service Suppliers. For help with these programs, choose the appropriate STF option.
Special Taxes and Fees (STF)
  • STF Registration: For assistance with registration questions for all STF programs. This does not include SUT, International Fuel Tax Agreement (IFTA), or Interstate User Diesel Fuel Tax (also known as Diesel Interstate Users). For help with these programs, choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.
  • STF Return Filing: For assistance with return filing questions for all STF programs. This does not include SUT, IFTA, or Diesel Interstate Users. For help with these programs, choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.
  • STF Tax Law and Regulation Clarification: For assistance with tax law and regulation questions for all STF programs. This does not include SUT, IFTA, or Diesel Interstate Users. For help with these programs, choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.
  • IFTA and Interstate User Diesel Fuel Tax: For assistance with questions related to IFTA and Diesel Interstate Users returns, registration, account maintenance, Online Services functions, claims for refund, collections, reinstatements, and the issuance of IFTA credentials of license and decals.

WARNING: To safeguard your privacy, do not send confidential taxpayer information (such as your Social Security number or other personal tax details) using this form. If you choose to send such information despite this warning, please be aware that CDTFA is not responsible for any unauthorized access by third parties.

* Required fields: Last Name and E-mail Address or Last Name, Mailing Address, City, Zip/Postal Code, and State:

Name
Address
Contact Information

Ex: 916-123-4567

(Optional)

This includes assistance if you are unable to obtain the form needed from our All Forms and Publications webpage or through your online services portal.

This includes assistance with website technical issues or errors.

This includes assistance if you have been unable to resolve a matter through normal channels, want information regarding procedures relating to a particular set of circumstances, or when there are apparent rights violations in the audit, or collection of taxes or fees.

This includes assistance with all registration questions related to SUT. This includes Lumber Products Assessment and Local Prepaid Mobile Telephone Users Surcharge topics. This does not include Timber Tax or Telecommunication Service Suppliers, for help with those programs, please choose the appropriate Special Taxes and Fees option.

This includes assistance with all return filing questions related to SUT. This includes Lumber Products Assessment and Local Prepaid Mobile Telephone Users Surcharge topics. This does not include Timber Tax or Telecommunication Service Suppliers, for help with those programs, please choose the appropriate Special Taxes and Fees option.

This includes assistance with all tax law and regulation questions related to SUT. This includes Lumber Products Assessment and Local Prepaid Mobile Telephone Users Surcharge topics. This does not include Timber Tax or Telecommunication Service Suppliers, for help with those programs, please choose the appropriate Special Taxes and Fees option.

This includes assistance with registration questions for all STF programs. This does not include SUT, IFTA, or Diesel Interstate Users, for help with those programs, please choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.

This includes assistance with return filing questions for all STF programs. This does not include SUT, IFTA, or Diesel Interstate Users, for help with those programs, please choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.

This includes assistance with tax law and regulation questions for all STF programs. This does not include SUT, IFTA or Diesel Interstate Users, for help with those programs, please choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.

This includes assistance with questions for all services related to IFTA and Diesel Interstate Users returns, registration, account maintenance, online services functions, claim for refunds, collections, reinstatements, and the issuance of IFTA credentials of license and decals.

Other Information