N.M. Stat. § 58-15-22
[Assignments; validity; amount collectible.]
A. Validity and payment of assignment. No assignment of or order for payment of
any salary, wages, commissions or other compensation for services earned or to be
earned, given to secure any loan made by any licensee, shall be valid unless the
amount of such loan is paid to the borrower, simultaneously with its execution, nor shall
any such assignment or order, or any chattel mortgage or other lien on household
furniture then in the possession and use of the borrower, be valid unless it is in writing,
signed in person by the borrower, or if the borrower is married unless it is signed in
person by both husband and wife, provided that written assent of a spouse shall not be
required when husband and wife have been living separate and apart for a period of at
least two months prior to the making of such assignment, order, mortgage or lien.
B. Amount collectible under assignment. A valid assignment or order for the
payment of future salary, wages, commissions or other compensation for services, may
be given as security for a loan made by any licensee or licensees and under such
assignment or order, a sum not to exceed ten (10%) percent of the borrower's salary,
wages, commissions or other compensation for services shall be collectible from the
employer of the borrower by the licensee at the time of each payment to the borrower of
such salary, wages, commissions or other compensation for services, from the time that
a copy of such assignment, verified by the oath of the licensee or his agent, together
with a similarly verified statement of the amount unpaid upon such loan and a printed
copy of this section, is served upon the employer. Not more than one such assignment
of wages shall be valid hereunder or acceptable by an employer.