Texas Human Resources Code - HUM RES § 81.019. Symbols or Other Forms of Identification for Persons With Hearing Impairments

(a) The department shall design and provide for the issuance of a symbol or other form of identification that may be attached to a motor vehicle regularly operated by a person who is deaf or hard of hearing.

(b) A person who is deaf or hard of hearing may apply to the department for the symbol or other form of identification.  The department may require acceptable medical proof that a person is deaf or hard of hearing and may collect a fee for each symbol or other form of identification to defray the costs of administering this section.  The executive commissioner shall establish the fee.

(c) The department may contract with a state or local agency for the distribution of the symbol or other form of identification.