N.M. Code R. § 20.3.4.459
Each specific licensee shall, no less than 30 days before vacating or relinquishing possession or control of premises which may have been contaminated with radioactive material as a result of his activities, notify the department in writing of intent to vacate. When deemed necessary by the department, the licensee shall decontaminate the premises in such a manner as the department may specify.
[20.3.4.459 NMAC - Rp, 20.3.4.459 NMAC, 4/30/2009]