Once filed, this case can be used to obtain orders for child custody and child support only. These form packets are designed for use before coming to the Courthouse to file, if you do not have an attorney to prepare your forms for you.The Law Library has produced a guide on Understanding the Sacramento Superior Court's Expungement Packet, with filled-out samples of the Sacramento forms. I would like to send a letter via USPS. Discover all the great programs we offer. Speakers Bureau Request a DA speaker on various criminal justice topics. 30 days after being served you may indeed file for a default judgment. To write a parent custody letter, you should follow a formal structure and clearly express your intentions. Here's a general outline to help you get started. Obtaining a default judgment involves two steps: the request for entry of default and the request for entry of court judgment.