The SDU is required by law to process payments within two days of receipt. Since most child support payments go
directly to the SDU and bypass the local registry, recipients on cases may receive child support checks sooner.
Child support payments directed to the SDU should be mailed to the SDU address:
Texas State Disbursement Unit
P.O. Box 659791
San Antonio, Texas 78265-9791
Every Order/Notice to Withhold Income for Child Support provides additional information on how to pay the
For each payment sent to the payment agency, an employer must identify the following:
The OAG, court clerks, and other payment agencies use case numbers unique to the specific agency.
OAG and the Texas SDU use the OAG case number and court cause number. Refer to the order/notice for the
correct account number to use. When in doubt, contact the payment agency stated in the order/notice.