N.M. Admin. Code § 19.15.3.10
A person may submit written or electronic comments on a proposed rule change, and those comments shall be made part of the hearing record. A person shall provide written comments on the proposed rule change to the commission clerk not later than the date of the scheduled hearing, unless the commission chairman or the commission extends the time for filing comments. The commission chairman or the commission may extend the time for filing written or electronic comments by making an announcement at the hearing, or by posting notice on the division's website. A person may review written or electronic comments on a proposed rule change at the division's Santa Fe office. The division shall post copies of written or electronic comments that persons have filed with the commission clerk on the division's website as soon as practicable after they are filed.
N.M. Admin. Code § 19.15.3.10