Except in case of failure by any New Mexico distributor to substantially comply with the requirements imposed upon him by a contract or agreement with the supplier or except as first authorized by an agency of the federal government responsible for regulating allocations of petroleum products or except as provided in Section 12-12-15 NMSA 1978, it is unlawful for any supplier:
A. to discontinue monthly allocations of petroleum products to a New Mexico distributor, his successors in interest or qualified assigns; or
B. to reduce monthly allocations of petroleum products to a New Mexico distributor, his successors in interest or qualified assigns.