All papers required or permitted to be filed with the director, a hearing examiner, or the board shall be on an official form prepared by the director, if available, or on 8 1/2 by 11 white paper, double spaced. All papers shall show at or near the top of the first page the case name and, if available, the case number, and shall be signed.
N.M. Admin. Code § 11.21.1.26