1 Non-Texas residents can apply for services with the Child Support Division of the Office of the Attorney General of Texas, provided there is a Texas child support order or one of the parties or child(ren) resides in Texas.eginning September 1, 2011, custodial parents will pay a $3 monthly fee in cases that receive registry-only payment processing and record-keeping services through the State Disbursement Unit (SDU) for each month in which a child support payment of more than $3 is received.