FL-100 is the Judicial Council Petition—Marriage/Domestic Partnership (Family Law), used to begin an ordinary divorce, legal separation, or annulment case and identify the issues the petitioner asks the court to decide.
Official form
Get FL-100 from California Courts. The official listing gives an effective date of January 1, 2020. Source checked October 23, 2026.
Using this form
Read the official starting-form instructions. The ordinary starting papers include Summons (FL-110) and, when child-custody information is required, Declaration Under UCCJEA (FL-105). Check additional local forms for the court where you will file.
For the local workflow, see How to Initiate a Divorce in Los Angeles County. Review Family Code section 2320 for residency and section 2040 for the standard temporary restraining orders associated with the Summons.
