N.M. Stat. Ann. § 46-13-9
To the extent a power of attorney expressly grants an agent authority over the content of electronic communications sent or received by the principal and unless directed otherwise by the principal or the court, a custodian shall disclose to the agent the content if the agent gives the custodian:
A. a written request for disclosure in physical or electronic form;
B. an original or copy of the power of attorney expressly granting the agent authority over the content of electronic communications of the principal;
C. a certification by the agent, under penalty of perjury, that the power of attorney is in effect; and
D. if requested by the custodian:
History: Laws 2017, ch. 72, § 9.
Effective dates. — Laws 2017, ch. 72, § 20 made Laws 2017, ch. 72, § 9 effective January 1, 2018.