(a) Certain material is incorporated by reference into this subpart with the approval of the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To enforce any edition other than that specified in this section, DOE must publish a document in the Federal Register and the material must be available to the public. All approved material is available for inspection at DOE, and at the National Archives and Records Administration (NARA). Contact DOE at: The U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Building Technologies Program, Sixth Floor, 950 L'Enfant Plaza SW, Washington, DC 20024, (202) 586-9127, [email protected], https://www.energy.gov/eere/buildings/building-technologies-office. For information on the availability of this material at NARA, email: [email protected], or go to: www.archives.gov/federal-register/cfr/ibr-locations.html. The material may be obtained from the sources in the following paragraphs of this section.

(b) ICC. International Code Council, 4051 West Flossmoor Road, Country Club Hills, IL 60478, 1-888-422-7233, or go to http://www.iccsafe.org/.

(1) ICC International Energy Conservation Code (IECC), 2004 Supplement Edition (“IECC 2004”), January 2005, IBR approved for §§ 435.2, 435.4, 435.5;

(2) ICC International Energy Conservation Code (IECC), 2009 Edition (“IECC 2009”), January 2009, IBR approved for §§ 435.2, 435.4, 435.5.

(3) ICC International Energy Conservation Code (IECC), 2015 Edition (“IECC 2015”), published May 30, 2014, IBR approved for §§ 435.2, 435.4, 435.5.

(4) ICC 2021 International Energy Conservation Code (IECC), Redline Version, Copyright 2021, (“IECC 2021”), IBR approved for §§ 435.2, 435.4, and 435.5.