When a plat is submitted for filing in the office of the county clerk, the county clerk shall determine if the proposed subdivision is subject to the provisions of Sections 3-20-1 through 3-20-15 NMSA 1978 and if the required endorsements are on the plat. A county clerk shall not accept for filing any plat which is subject to the provisions of the Municipal Code and which has not been approved by the planning authority of the municipality within whose jurisdiction the proposed subdivision lies. The plat shall contain an affidavit stating that the proposed subdivision does or does not lie within the planning or platting jurisdiction of any municipality.
NMS § 3-20-10