Tax Education
CDTFA Resources
View frequently asked questions regarding our Online Services, which you can access directly from this page. Create a profile to register a business, file a return, make a payment, submit a claim for refund, file an appeal, and much more.
Use this tool to verify a permit, license, or account by its identification number.
CDTFA's chat is available 24/7 and 60% of taxpayer questions are resolved using this feature.
See tips and resources for finding professional help with your tax matters.
See this page to browse CDTFA's wide variety of instructional videos, made to help you understand our tax programs and reporting requirements.
Visit this page for simple steps on how to translate any CDTFA video into your preferred language.
Publication 51, Doing Business in California–What You Need to Know, is a guide specific to starting a business. It includes basic information and relevant resources.
See CDTFA’s forms and publications to filter for specific information on many topics and find the forms you need to manage your tax matters.
See these guides for basic information regarding a specific industry, its most common issues, relevant resources, and specific tax or fee topics.
Intended for representatives of a local jurisdiction or district, this guide has information on local and district taxes and CDTFA services.
This guide includes examples of scenarios you may encounter as a business owner and provides basic information on topics such as collection, reporting, and paying taxes.
If you received and letter or notice from CDTFA, this page will help explain what each one means and how to respond.
Here you can find your filing frequency and due dates based on your reported sales tax (or anticipated taxable sales at the time of registration).
See this page to find specific tax and fee rates. You can also search by address.
This page offers information on several types of tax evasion and how you can report suspected violations.
Visit this page for tax support resources outside of CDTFA.