This free program will help you fill out the papers that you will need to file in Family Court. See Frequently Asked Questions for help using DIY Form programs.The Law Department assists local and out-of-state custodial parents in establishing an order of support from non-custodial parents. 1. Fill out a child support modification petition. 2. File the petition with the Family Court that most recently established your order. 3. This program guides you step-by-step through court forms on any computer or mobile device. Answer a few simple questions and receive a completed PDF document. Spousal support is to support a current or former spouse or commonlaw partner as states in a court order or written agreement. Here you will find forms that are used statewide in Washington Courts. You may register your child support order or agreement with the Ministry of Justice's Maintenance Enforcement Office (MEO).