Section 431.303 - Materials incorporated by reference(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, the U.S. Department of Energy (DOE) must publish a document in the Federal Register and the material must be available to the public. All approved incorporation by reference (IBR) 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, Buildings@ee.doe.gov, www.energy.gov/eere/buildings/building-technologies-office. For information on the availability of this material at NARA, email: fr.inspection@nara.gov, 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)AHRI. Air-Conditioning, Heating, and Refrigeration Institute, 2111 Wilson Boulevard, Suite 500, Arlington, VA 22201; (703) 600-0366; www.ahrinet.org.(1) ANSI/AHRI Standard 420-2008 ("AHRI 420-2008"), Performance Rating of Forced-Circulation Free-Delivery Unit Coolers for Refrigeration, Copyright 2008; IBR approved for appendix C to subpart R.(2) AHRI Standard 1250P (I-P)-2009 ("AHRI 1250-2009"), Standard for Performance Rating of Walk-in Coolers and Freezers, (including Errata sheet dated December 2015), copyright 2009, except Table 15 and Table 16; IBR approved for appendix C to subpart R.(3) AHRI Standard 1250 ("AHRI 1250-2020"), Standard for Performance Rating of Walk-in Coolers and Freezers, copyright 2020; IBR approved for appendix C1 to subpart R.(c)ASHRAE. American Society of Heating, Refrigerating and Air-Conditioning Engineers, 180 Technology Parkway, Peachtree Corners, GA 30092; (404) 636-8400; www.ashrae.org.(1) ANSI/ASHRAE Standard 16-2016 ("ANSI/ASHRAE 16"), Method of Testing for Rating Room Air Conditioners, Packaged Terminal Air Conditioners, and Packaged Terminal Heat Pumps for Cooling and Heating Capacity, ANSI-approved November 1, 2016; IBR approved for appendix C1 to subpart R.(2) ANSI/ASHRAE Standard 23.1-2010 ("ASHRAE 23.1-2010"), Methods of Testing for Rating the Performance of Positive Displacement Refrigerant Compressors and Condensing Units that Operate at Subcritical Temperatures of the Refrigerant, ANSI-approved January 28, 2010; IBR approved for appendices C and C1 to subpart R.(3) ANSI/ASHRAE Standard 37-2009 ("ANSI/ASHRAE 37"), Methods of Testing for Rating Electrically Driven Unitary Air-Conditioning and Heat Pump Equipment, ASHRAE-approved June 24, 2009; IBR approved for appendices C and C1 to subpart R.(4) ANSI/ASHRAE Standard 41.1-2013 ("ANSI/ASHRAE 41.1"), Standard Method for Temperature Measurement, ANSI-approved January 30, 2013; IBR approved for appendix C1 to subpart R.(5) ANSI/ASHRAE Standard 41.3-2014 ("ANSI/ASHRAE 41.3"), Standard Methods for Pressure Measurement, ANSI-approved July 3, 2014; IBR approved for appendix C1 to subpart R.(6) ANSI/ASHRAE Standard 41.6-2014 ("ANSI/ASHRAE 41.6"), Standard Method for Humidity Measurement, ANSI-approved July 3, 2014; IBR approved for appendix C1 to subpart R.(7) ANSI/ASHRAE Standard 41.10-2013 ("ANSI/ASHRAE 41.10"), Standard Methods for Refrigerant Mass Flow Measurement Using Flowmeters, ANSI-approved June 27, 2013; IBR approved for appendix C1 to subpart R.(d)ASTM. ASTM, International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959; (610) 832-9500; www.astm.org.(1) ASTM C518-17, Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus, approved May 1, 2017; IBR approved for appendix B to subpart R.(2) ASTM C1199-14, Standard Test Method for Measuring the Steady-State Thermal Transmittance of Fenestration Systems Using Hot Box Methods, approved February 1, 2014; IBR approved for appendix A to subpart R.(e)NFRC. National Fenestration Rating Council, 6305 Ivy Lane, Ste. 140, Greenbelt, MD 20770; (301) 589-1776; www.nfrc.org/.(1) NFRC 102-2020 [E0A0] ("NFRC 102-2020"), Procedure for Measuring the Steady-State Thermal Transmittance of Fenestration Systems, copyright 2013; IBR approved for appendix A to subpart R. 74 FR 12074 , Mar. 23, 2009, as amended at 76 FR 21605 , Apr. 15, 2011; 76 FR 33631 , June 9, 2011; 79 FR 27412 , May 13, 2014; 81 FR 95802 , Dec. 28, 2016 81 FR 95802 , 1/27/2017; 88 FR 28838 , 6/5/2023