U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 431.321 - Purpose and scope.

This subpart contains energy conservation requirements for metal halide lamp ballasts and fixtures, pursuant to Part A of Title III of the Energy Policy and Conservation Act, as amended, 42 U.S.C. 6291-6309.

[75 FR 10966, Mar. 9, 2010]