The receipts of a person who furnishes a bus and operates that bus pursuant to a contract with a New Mexico school district are receipts from performing a service and are subject to the gross receipts tax; however, if that person is an employee of the school district, that portion of the receipts which is treated by the school district as wages or salary is not subject to the gross receipts tax.
N.M. Admin. Code § 3.2.105.9