GAS-1264, Fuel Alcohol/Biodiesel Provider Return (for January 2023 and after) for January 2023 and after GAS-1264, Fuel Alcohol/Biodiesel Provider Return Documents Gas-1264 12-8-22_web_v1_Final.pdf Gas-1264 Instructions 12-7-22_web_v2_5%_Final.pdf gas-1264rs_web_3-16_0.pdf gas-1264ds_7-31-18_web_v1_final.pdf