The commission incorporates by reference rules for used oil transporters and transfer facilities in 40 Code of Federal Regulations (CFR) Part 279, particularly Subpart E. In addition, the commission requires the following:(1) Underground storage tanks (USTs). USTs containing used oil are subject to Chapter 334 of this title (relating to Underground and Aboveground Storage Tanks) and 40 CFR Part 279.(2) Registration. Transporters must register their used oil activities if they have not previously registered their specific used oil activities with the commission and the United States Environmental Protection Agency (EPA). Transporters must register, through the commission, using EPA Form 8700-12 and a commission form. Mail registration forms to the Texas Commission on Environmental Quality, Used Oil Recycling Program.