General, Non-Confidential Tax Questions Form EspaƱol

We are committed to providing you with answers to the general, non-confidential tax questions you submit by email.

Please use the form below to email us your questions. Otherwise, you may call our Customer Service Center toll-free at 1-800-400-7115 (TTY:711). Customer service representatives are available from 7:30 a.m.-5:00 p.m., Monday through Friday, except state holidays. You may also visit the nearest California Department of Tax and Fee Administration field office.

When completing the form, the following general tax topics are available for you to select:

  • General Questions
  • Request Tax Forms – 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.
  • Contact the Webmaster – This includes assistance with website technical issues or errors.
  • Taxpayers' Rights Advocate Office – 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 collections of taxes or fees.
  • Sales and Use Tax (SUT)
    • SUT Registration – 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.
    • SUT Return Filing – 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.
    • SUT Tax Law or Regulation Clarification – 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.
  • Special Taxes and Fees (STF)
    • STF Registration – This includes 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 those programs, please choose the appropriate SUT or IFTA and Interstate User Diesel Fuel Tax option.
    • STF Return Filing – 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.
    • STF Tax Law and Regulation Clarification – 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.
    • IFTA and Interstate User Diesel Fuel Tax – 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.

We will respond to your inquiry as quickly as possible. Our goal is to provide a response within nine business days. If we are unable to do so, we will send you an acknowledgement email notifying you that we have received your request and are working on a response for you. However, if you would like an immediate response by telephone, please call us at 1-800-400-7115 (TTY:711).

WARNING: To safeguard your privacy, do not send confidential taxpayer information (e.g., your social security number(s) or other taxpayer specific information) to our Customer Service Information Center e-mail account. If you choose to disregard this warning, please be aware that the California Department of Tax and Fee Administration is not responsible if confidential information that you sent to this e-mail address is accessed 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