N.M. Stat. § 12-5-3
Legal holidays; Sundays; effect on commercial paper.
A. Whenever a legal public holiday falls on Sunday, the following Monday is a legal
public holiday.
B. Any bill, check or note presentable for acceptance or payment on a legal public
holiday or on a Sunday is payable and presentable for acceptance or payment on the
next business day after the legal public holiday or Sunday.