43 Tex. Admin. Code § 217.301
Transportation Code, § 501.174, requires the department to establish a process to accept electronic signatures on secure documents that have been electronically signed through a system not controlled by the department. 1 TAC § 203.20(relating to Guidelines) requires state government agencies that send and accept electronic records and electronic signatures to and from other persons and to state agencies that otherwise create, generate, communicate, store, process, use, and rely upon electronic records and electronic signatures to comply with Guidelines for the Management of Electronic Transactions and Signed Records. This subchapter prescribes the policies and procedures for the acceptance of electronic signatures on secure documents and the use and acceptance of electronic signatures on non-secure documents.
43 Tex. Admin. Code § 217.301