Texas Insurance Code - INS § 1271.002. Right to Evidence of Coverage;  Issuance

(a) Each enrollee residing in this state is entitled to evidence of coverage under a health care plan.

(b) The health maintenance organization shall issue the evidence of coverage, except as provided by Subsection (c).

(c) If the enrollee obtains coverage under a health care plan through an insurance policy or a contract issued by a group hospital service corporation, whether by option or otherwise, the insurer or the group hospital service corporation shall issue the evidence of coverage.

(d) By agreement between the health maintenance organization, insurer, or group hospital service corporation and the subscriber or person entitled to receive the evidence of coverage, policy, or contract, the evidence of coverage required by this section may be delivered electronically.