Texas Government Code - GOV'T § 403.039. Texas Identification Number System

(a) The comptroller shall assign a Texas Identification Number to each person who supplies property or services to the state for compensation or reimbursement.

(b) The Texas Identification Number system shall be used by each state agency as the primary identification system for persons who supply property or services to the agency for compensation or reimbursement.  The agency may assign secondary numbers if the secondary numbering system does not unnecessarily create duplication of data bases, efforts, or costs.

(c) All state agencies shall cooperate with the comptroller to convert existing relevant identification systems to the Texas Identification Number system.  The comptroller may adopt rules governing the conversion to and the administration of the Texas Identification Number system, including rules on the procedure for applying for a number under the system.

(d) In this section, “state agency” means any department, commission, board, office, or other agency in the executive, legislative, or judicial branch of state government, including an institution of higher education.