N.M. Stat. Ann. § 40-11A-303
A presumed father may sign a denial of his paternity. The denial is valid only if:
C. the presumed father has not previously:
History: Laws 2009, ch. 215, § 3-303.
Effective dates. — Laws 2009, ch. 215, § 20 made the New Mexico Uniform Parentage Act effective January 1, 2010.
Collateral estoppel in contesting paternity. — Where paternity has been established in a divorce proceeding, an alleged father is barred under the doctrine of collateral estoppel from later questioning paternity in a proceeding under the Uniform Parentage Act. Callison v. Naylor, 1989-NMCA-055, 108 N.M. 674, 777 P.2d 913.