The Texas Alcoholic Beverage Code - Minors §106.025
Sec. 106.025. ATTEMPT TO PURCHASE ALCOHOL BY A MINOR
(a) A minor commits an offense if, with specific intent to commit an
offense under Section 106.02 of this code, the minor does an act
amounting to more than mere preparation that tends but fails to effect
the commission of the offense intended.
(b) An offense under this section is punishable as provided by Section 106.071.