N.M. Stat. Ann. § 28-20-1
§ 28-20-1. Right to breastfeed.
A mother may breastfeed her child in any location, public or private, where the mother is otherwise authorized to be present.
Workplace Pumping Law
N.M. Stat. Ann. § 28-20-2 (2007)
§ 28-20-2. Use of a breast pump in the workplace
A. In order to foster the ability of a nursing mother who is an employee to use a breast pump in the workplace, an employer, including the state and its political subdivisions, shall provide:
(1) a space for using the breast pump that is:
(a) clean and private;
(b) near the employee’s workspace; and
(c) not a bathroom; and
(2) flexible break times.
B. An employer shall not be liable for:
(1) storage or refrigeration of breast milk;
(2) payment for a nursing mother’s break time in addition to established employee breaks; or
(3) payment of overtime while a nursing mother is using a breast pump.