Sec. 483.045.  FORGING OR ALTERING PRESCRIPTION.  (a)  A person commits an offense if the person:
(1)  forges a prescription or increases the prescribed quantity of a dangerous drug in a prescription; 
(2)  issues a prescription bearing a forged or fictitious signature; 
(3)  obtains or attempts to obtain a dangerous drug by using a forged, fictitious, or altered prescription; 
(4)  obtains or attempts to obtain a dangerous drug by means of a fictitious or fraudulent telephone call;  or
(5)  possesses a dangerous drug obtained by a forged, fictitious, or altered prescription or by means of a fictitious or fraudulent telephone call.
(b)  An offense under this section is a Class B misdemeanor unless it is shown on the trial of the defendant that the defendant has previously been convicted of an offense under this chapter, in which event the offense is a Class A misdemeanor.
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.