N.M. Admin. Code § 13.14.19.15
A title insurer using filed and approved rates that wishes to revert to the use of promulgated rates shall file with the superintendent the effective date of cancellation of its filed and approved rates. Such filing shall be submitted at least 30 days prior to the insurer's reversion to promulgated rates, shall specify the county or counties in which the reversion will apply and shall be submitted electronically via the national association of insurance commissioners' system for electronic rate and form filing ("SERFF"). Such filing shall not be subject to the prior approval of the superintendent. The title insurer shall provide notice of the reversion, at least 30 days prior to the effective date of the reversion, to its appointed agents in the county or counties where the reversion will apply.
N.M. Admin. Code § 13.14.19.15