In making any inspection and test of a motor fuel or lubricating oil under this chapter, the Commissioner shall follow the specifications for the inspection and testing of that motor fuel or for the lubricating oil established by ASTM International, formerly the American Society for Testing and Materials, and incorporated into the ASTM specifications for motor fuels, which are adopted by the National Conference on Weights and Measures and published by the National Institute of Standards and Technology in Handbook 130, “Uniform Laws and Regulations in the Areas of Legal Metrology and Engine Fuel Quality,” as the same now are or may be hereafter amended. For purposes of this section, such specifications shall apply to methods of inspection and testing only, and shall not apply to methods of sale, including automatic temperature compensation. For cause after an informational proceeding under § 2.2-4007.01, such specifications may be amended by the Board of Agriculture and Consumer Services.