All RFG must be designated consistently. For each of the RFG parameters, an importer must elect compliance on either a per-gallon basis or an average basis. These elections apply to all of the importer's facilities.(7/1/94)

This question and answer was 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)