Registered Domestic Partners
California enacted SB 1827 as law, beginning January 1, 2007, which requires registered domestic partners to use the same filing status as married couples. The information here will help you understand the changes associated with this tax law, as they develop.
For more information, see our publication Tax Information for Registered Domestic Partners (FTB Pub 737).
Underpayment of estimated tax penalty
- Are you a registered domestic partner who received an underpayment of estimated tax penalty for tax year 2007?
State income tax seminars
- Hosted March 6, 2008 in Sacramento by State Controller John Chiang and Board of Equalization Vice Chairwoman Betty Yee.
- Presentation (PDF)
- Hosted January 24, 2008 in San Francisco by State Controller John Chiang and Board of Equalization Chairwoman Betty Yee.
- Presentation (PDF)
Announcements and meeting notes
- FTB Publication 737 Tax Information for Registered Domestic Partners (01/23/09)
- FTB Publication 737 Tax Information for Registered Domestic Partners (12/18/07)
- Revision to Draft FTB Publication 737 Tax Information for Registered Domestic Partners (11/05/07)
- Questions and responses for the California Filing Status Adjustments Worksheet (11/01/07)
- Registered Domestic Partnerships - Attorney General seeks input on equivalency of out-of-state legal unions. How to reply (09/07/07)
- RDP draft California Filing Status Adjustments Worksheet and instructions (6/15/07)
- Questions and responses for the California Filing Status Adjustments Worksheet
- Registered Domestic Partner AGI Discussion Paper (2/20/07)
- 1/30/07 Interested parties meeting
- 11/30/06 Interested parties meeting
Frequently asked questions and news articles
- What if I'm a domestic partner? - Frequently asked questions
- Alimony - Frequently asked questions (PDF, revised 04-2008)
- Tax News article - California's new filing requirements for registered domestic partners (11/2006)
- Mercury News article - 'Town hall' over taxes: Domestic partner filing is about to get very complicated (12/01/06)
- Press release - Westley announces new tax law: Equal treatment for domestic partners (10/25/06)
Legislation and Bill analysis
- Legislative History (9/14/07)
- SB 105 Amended (06/20/07)
- SB 105 Amended (03/19/07)
- SB 105 Introduced (01/17/07)
- SB 11 Introduced (12/04/06)
- SB 1827 Chaptered (09/29/06)
Help Us Improve Our Website
Don't include social security numbers or other personal/confidential information.
Thank you for your help.
If you need assistance, contact us.
Oops! Something went wrong.
We appreciate your feedback. Please try again later
Last Updated: 12/28/2017