1. (a) Notwithstanding §3.3502 of this title (relating to Applicability), this section applies to a health benefit plan issuer that is subject to Insurance Code Chapter 1203, Subchapter D, concerning Coordination of Benefits Questionnaire.
2. (b) The commissioner adopts by reference LHL138 and LHL139, which contain two versions of a uniform coordination of benefits questionnaire, effective January 1, 2026, to be used and accepted by a health benefit plan issuer in compliance with this section. Both versions of the form are posted on the TDI website at www.tdi.texas.gov/forms.

3. (c) Beginning February 1, 2026:

   1. (1) a health benefit plan issuer that requires a health care provider to maintain information on coordination of benefits must use and accept the Patient Health Plan Coverage Form that is adopted by this section as LHL138; and
   2. (2) a health benefit plan issuer that requires an enrollee to provide information on other health coverage must use and accept the Enrollee's Other Health Plan Coverage Form that is adopted by this section as LHL139.

Source Note:The provisions of this §3.3520 adopted to be effective January 1, 2026, 50 TexReg 8611.