Tex. Utilities Code § 56.106: TELECOMMUNICATIONS RELAY ACCESS SERVICE ASSESSMENTS.

(a) The commission shall set appropriate assessments for all telecommunications utilities to fund the telecommunications relay access service.

(b) In setting an assessment, the commission shall consider:

(1) the aggregate calling pattern of service users; and

(2) any other factor the commission finds appropriate and in the public interest.

(c) The commission shall:

(1) review the assessments annually; and

(2) adjust the assessments as appropriate.

Acts 1997, 75th Leg., ch. 166, Sec. 1, eff. Sept. 1, 1997.