N.M. Admin. Code § 13.2.7.10
Agreements entered into after the effective date of this rule which involve the reinsurance of business issued prior to the effective date of the agreements, including any subsequent amendments, shall be filed by the ceding company with the superintendent within thirty days from its date of execution. Each filing shall include data detailing the financial impact of the transaction. The ceding insurer's actuary who signs the financial statement actuarial opinion with respect to valuation of reserves shall consider this rule and any applicable actuarial standards of practice when determining the proper credit to be taken in financial statements filed with the superintendent. The actuary should maintain adequate documentation and be prepared upon request to describe the actuarial work performed for inclusion in the financial statements and to demonstrate that such work conforms to this rule.
N.M. Admin. Code § 13.2.7.10