Need help filling out a common child support form? We have videos to help!Payment Records Request. Additional resources include a directory of local self-help centers. Supplemental Petition for Modification of Child Support. Form Number. 12.905(b). If you want more money, contact your attorney and prepare to go to court and justify the expenses that make more child support necessary. Fill out the Order Terminating Child Support with the names, case number and addresses only. The judge's office will fill out the rest. d. Fill out the Order Terminating Child Support with the names, case number and addresses only.