N.M. Stat. § 61-23-27.10
A surveyor employed by a business entity who performs only the surveying services involved in the operation of the business entity's or an affiliated business entity's business shall be exempt from the provisions of the Engineering and Surveying Practice Act; provided that neither the employee nor the employer offers surveying services to the public; and provided further that any such surveying services are limited to the legal boundaries of the property owned, leased or lawfully operated by the business entity or an affiliated business entity that employs the surveyor; and provided further that the surveying services performed do not include any determination, description, portraying, measuring or monumentation of the boundaries of a tract of land. Performance of surveying on public works projects pursuant to Section 61-23-27.13 NMSA 1978 or within off-premises easements constitutes work within a public space and is subject to the Engineering and Surveying Practice Act.
NMS § 61-23-27.10