New Mexico Rules Annotated (NMRA)
14-5121. Ignorance or mistake of fact.
Evidence has been presented that the defendant was [ignorant of] [mistaken about] the law which he is accused of violating. When a person voluntarily does that which the law forbids and declares to be a crime, it is no defense that he did not know that his act was unlawful or that he believed it to be lawful.