Tex. Occupations Code § 155.103

(a) The board shall adopt rules relating to the issuance of a military limited volunteer license under this section.

(b) The board may issue a military limited volunteer license to practice medicine to an applicant who:

(1) is licensed and in good standing, or was licensed and retired in good standing, as a physician in another state;

(2) is or was authorized as a physician to treat personnel enlisted in a branch of the United States armed forces or veterans; and

(3) meets any other requirement prescribed by board rule.

(c) The board may not issue a license under this section to an applicant who:

(1) holds a medical license that:

(A) is currently under active investigation; or

(B) is or was subject to a disciplinary order or action or to denial by another jurisdiction;

(2) holds a license to prescribe, dispense, administer, supply, or sell a controlled substance that:

(A) is currently under active investigation; or

(B) is or was subject to a disciplinary order or action or to denial by another jurisdiction; or

(3) has been convicted of, is on deferred adjudication community supervision or deferred disposition for, or is under active investigation for the commission of:

(A) a felony; or

(B) a misdemeanor involving moral turpitude.

(d) A physician may practice medicine under a license issued under this section only at a clinic that primarily treats indigent patients. The physician may not receive compensation for medical services rendered at the clinic.

(e) A military limited volunteer license holder is subject to board rules, including rules regarding disciplinary action, license registration and renewal, and continuing medical education.