As discussed above, a company is required to register as a refiner, importer, or oxygenate blender if it produces any reformulated gasoline. A company is also required to register as a refiner or importer if it produces conventional gasoline.

A party whose business covers more than one of these designations must register for each designation. There is no registration requirement for a marketer (called a distributor under the RFG regulations).(7/1/94)

This question and answer was originally posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)