This program will help you write a letter that formally requests the money you are owed. This is called a Demand Letter.Let them know how much they owe you and why you think they owe you the money. To collect money, you must first get an EJ-130 Writ of Execution. Write a Formal Demand Letter in Los Angeles County for requesting money, possession of assets, or action on a matter. The basic life of a letter within the Postal Service is 3 days (or more specifically 54 hours). General mailing address for all incarcerated male and female inmates: Inmate Name, Booking Number PO BOX 86164 Terminal Annex Los Angeles, CA 900860164 COMPLETING THE PETITION FOR PROBATE, DE-111. Write your name and address in the top left box. If the birth occurred outside of Los Angeles County or California, click here.