If you want to enroll a non-registered domestic partner to your health plans, you must complete the Affidavit for Enrollment of Domestic Partners. This form must be completed and returned to Human Resources Benefits Division, prior to enrollment of your Domestic Partner.A complete mailing address is required (address, city, state, zip code). • Do not abbreviate city names. 5. California does not have any specific cohabitation laws. To register a domestic partnership in California, both partners must complete a Declaration of Domestic Partnership form and have it notarized. The application to request a Letter of No Record is the same as a request for a marriage certificate. Essentially, you are requesting a marriage certificate. We use the most uptodate software and tools to ensure that all necessary forms are completed accurately and in accordance with current legal standards. Visit one of our available office locations and complete the marriage certificate application (for a Letter of No Record).