San Antonio, Tex. 78204. This is to authorize.To receive my PSA Birth. Start the letter with a direct statement outlining why the authorization is necessary. This form is for J-1 students participating in the UTSA J Exchange Visitor Program. If you are a J-1 student with a DS-. Secure proper authorization to sign documents on behalf of your company with our expert tips and free . The authorization form should be returned to the Texas Child Support Disbursement Unit (TXCSDU), P.O. Box. Ensure that you specify the item or document being claimed. Public Works will e-mail the signed Building Permit Authorization to the Bexar County Fire Marshal when all criteria has been met.