A party may, be self-represented or be represented by counsel or other representative. Any representative of a party shall file with the board a signed notice of appearance, stating the name of the party; the title and official number (if available) of the case in which the representative is representing the party, and the name, address and telephone number of the representative. The filing of a pleading containing the above information is sufficient to fulfill this requirement.
N.M. Admin. Code § 11.21.1.11