Spidell’s California Taxletter®
Spidell’s California Taxletter® is a monthly newsletter plus a searchable online archive of back issues that keeps you ahead of California tax changes so they don’t take you by surprise.
Recent articles address important issues:
- Passthrough entity tax: new laws, new year, new considerations (May 2026)
- FTB agrees to settle LLC annual tax class action litigation (May 2026)
- Make sure your clients aren’t overpaying business property taxes (May 2026)
- Conformity clean-up bill introduced (April 2026)
- FTB provides alternatives to consolidated transcripts (April 2026)
- California’s doing business threshold (April 2026)
- California will fully conform to federal alimony treatment in 2027 (March 2026)
- Errors in FTB’s prior-year AMT credit forms (March 2026)
- Significant mortgage relief available to certain disaster victims (March 2026)
- California treatment of Trump accounts and contributions (February 2026)
- Do California’s economic nexus thresholds mean anything? (February 2026)
- Filing returns and making payments under new USPS policy (February 2026)
- California’s Affordable Care Act subsidies and California taxes (January 2026)
- Top 10 “must-knows” for filing 2025 Form 540 (January 2026)
- CalSavers: household employers, employee owners, and more (January 2026)
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Plus! Get access to the Strategic Tax Advisor
Leading-edge analysis for your business and high net worth clients
Turn to the Strategic Tax Advisor when you need answers to more advanced and complex questions on California tax issues, with articles focusing on recent critical developments:
- Latest state tax Public Law 86-272 developments (December 2025)
- Exclusion of interest on agricultural loans (December 2025)
- Florida sues California over apportionment rules (December 2025)
- OBBBA’s changes to international tax provisions (August 2025)
- Use tax applies to parts purchased for product that was never sold (August 2025)
- Spidell’s updated multistate business charts (August 2025)
- FTB continues to closely scrutinize like-kind exchanges (April 2025)
- Want to exclude gain from the sale of qualified small business stock? (April 2025)
- Right loss, wrong year (April 2025)
Digital edition
Read every issue from your PC, Mac, iPad, e-Reader, or e-mail browser.
Take a look at some sample formats
Other Subscriber Benefits
- Free State Tax Directory for your tax library!
- Optional 1 hour of CPE for CPAs and CRTPs (CTEC) with each issue for only $15 (exam sent every six months).
- Annual Conformity Guide listing hundreds of differences between federal and California law.
Trusted by CA tax pros
“In a word, ‘invaluable!’ I can’t imagine calling myself a professional without the ongoing support of Spidell behind me. In particular, the California Taxletter is the ONLY publication I read faithfully.”
— Deborah St. Martin, EA; Beaumont, CA
More than a monthly newsletter
Get quick access to California tax information with a searchable online archive of back issues. Director of Editorial, Kathryn Zdan, EA, shows you how to look up specific topics and search through hundreds of articles dating back to 2009.
California Taxletter helps you:
- Use searchable online archive of over six hundred articles
- Read plain English explanations of new state tax-grabbing programs, new laws, plus examples
- Let trouble-shooting instructions help you solve pesky bills and notices your clients get
- Cut time with handy charts, checklists, and client letters
- Quickly solve problems with phone numbers, links, and California tax contact information
Guarantee of excellence
Your satisfaction is our priority. If you are not completely satisfied with Spidell’s California Taxletter® in any way, at any point in time during the coming year, we will provide you with a full refund, hassle-free. Guaranteed.
