New Mexico Territorial Laws and Treaties NM TERR LAWS KEARNY CODE ADMIN § 9

Every applicant for letters of administration at the time of the application shall make an affidavit stating, to the best of his knowledge and belief, the names and places of residence of the heirs of the deceased, that the deceased died without a will, and that he will make a perfect inventory of, and faithfully administer all the estates of the deceased, and account for and pay all assets which shall come to his possession or knowledge.