Receipts of a consignor from the sale of tangible personal property handled on consignment, when the sale is made by the consignee, may be deducted from gross receipts if the consignee delivers either a nontaxable transaction certificate to the consignor pursuant to Section 7-9-47 NMSA 1978 or other proof acceptable to the department that the consignor's tangible personal property was sold by consignment.
N.M. Admin. Code § 3.2.205.12