§ 1-2-24 NMSA 1978

At all times while they are present in the polling place, challengers shall wear uniform identification badges designating them as authorized challengers of the political party which they represent. They shall not wear any other form of identification, party or candidate pins. The secretary of state shall prescribe the form and materials of such badges and such badges shall be furnished to the challengers by the presiding judge upon presentation of their written appointments.