Tex. Occupations Code § 107.152

(a) This chapter does not affect the authority of the board to revoke or suspend the license of a physician who:

(1) prescribes, administers, or dispenses a drug or treatment:

(A) for a purpose that is not a legitimate medical purpose as defined by the board; and

(B) that is nontherapeutic in nature or nontherapeutic in the manner the drug or treatment is administered or prescribed;

(2) fails to keep a complete and accurate record of the purchase and disposal of:

(A) a drug listed in Chapter 481, Health and Safety Code; or

(B) a controlled substance scheduled in the Comprehensive Drug Abuse Prevention and Control Act of 1970 (21 U.S.C. Section 801 et seq.);

(3) writes a false or fictitious prescription for:

(A) a dangerous drug as defined by Chapter 483, Health and Safety Code;

(B) a controlled substance listed in a schedule under Chapter 481, Health and Safety Code; or

(C) a controlled substance scheduled in the Comprehensive Drug Abuse Prevention and Control Act of 1970 (21 U.S.C. Section 801 et seq.); or

(4) prescribes, administers, or dispenses in a manner inconsistent with public health and welfare:

(A) a dangerous drug as defined by Chapter 483, Health and Safety Code;

(B) a controlled substance listed in a schedule under Chapter 481, Health and Safety Code; or

(C) a controlled substance scheduled in the Comprehensive Drug Abuse Prevention and Control Act of 1970 (21 U.S.C. Section 801 et seq.).

(b) For purposes of Subsection (a)(2), the physician's records must include a record of:

(1) the date of purchase;

(2) the sale or disposal of the drug or substance by the physician;

(3) the name and address of the person receiving the drug or substance; and

(4) the reason for the disposal or dispensing of the drug or substance to the person.