A motion for rehearing shall be filed not later than the 20th day after the party or the party's attorney of record is notified of the final decision or order that may become final under Texas Government Code, § 2001.144. The procedures for a Motion for Rehearing shall be those procedures under Texas Government Code, § 2001.146, and Texas appeals cases interpreting that statute.
19 Tex. Admin. Code § 1.67