SERVICE OF A REQUEST FOR ORDER AFTER JUDGMENT IN CALIFORNIA DIVORCE AND CUSTODY CASES
A Request for Order to change a judgment or final order on the issue of child custody, visitation (parenting time), or child support may be served by mail IF You have verified the other party's current home or office address (See form FL-334 Declaration Regarding Address Verification).
To change a judgment or final order on any other issue, including spousal support, the Request for Order MUST be personally served on the other party.
Pursuant to California F.C. 215
(b) A post judgment motion to modify a custody, visitation, or child support order may be served on the other party by first-class mail or airmail, postage prepaid, to the persons to be served. For any party served by mail, the proof of service shall include an address verification.