N.M. Admin. Code § 1.6.5.10
Specific risks covered, properties covered, coverage limits, exclusions, apportionment of contributions, underwriting standards, and other provisions for coverage through the public liability fund shall apply in accordance with certificates of coverage, letters of administration, or other coverage documents issued by the director to each covered entity. Pursuant to NMSA 1978, Section 15-7-2(B), the director shall apportion contributions toward the purchase of insurance or for the providing of coverage for any risk not insured and the amount of contributions to be made by each governmental entity in a letter of administration issued to the governmental entity. Pursuant to NMSA 1978, Section 15-7-3(A) (3), the director may prescribe underwriting standards for governmental entities in a letter of administration issued to the governmental entity.
N.M. Admin. Code § 1.6.5.10