Texas Transportation Code - TRANSP § 504.854. Auction

(1) sell at auction a license to display a unique alphanumeric pattern on a license plate for a period set by board rule;

(2) reserve an unissued alphanumeric pattern from the department for purposes of auctioning a license to display the pattern for a period set by board rule;  and

(3) purchase from a customer an unexpired license to display an alphanumeric pattern for purposes of auction by the vendor.