A. For the purpose of administering and giving effect to the provisions of this chapter, the standards set forth in the Annual Book of ASTM Standards and supplements thereto, and revisions thereof, are adopted except as amended or modified. The sealer is empowered to write rules and regulations on the advertising, posting of prices, labeling, standards for, and identity of motor fuels.

B. It is unlawful for any dealer or service station, as both are defined in RCW 82.36.010, to sell oxygenated fuel at one percent, by volume, or greater in gasoline for use as motor vehicle fuel unless the dispensing device has a label stating the type and maximum percentage of oxygenate contained in the fuel. Except that during such portion of the year as oxygenated petroleum products are required in carbon monoxide nonattainment areas pursuant to provisions of subchapter I of the Clean Air Act, service stations or dealers shall post such label or notice as required pursuant to 42 U.S.C. 7545(m).

C. Persons delivering gasoline to retail service stations shall supply the station with an invoice which shall include: