The Department of Energy's Golden Field Office is offering a funding opportunity under the Inflation Reduction Act of 2022 (IRA) to assist Federally Recognized Native American Tribal Governments in adopting the latest and zero building energy codes. This initiative aims to support the decarbonization of residential and commercial buildings by enabling eligible entities to implement updated energy codes that enhance energy efficiency and sustainability. With an estimated total program funding of $530 million, the awards will range from $10 million to $20 million, and applications for Round 2 are open until September 13, 2024, at 5:00 PM ET. Interested applicants can find more information and submit their applications through the Infrastructure Exchange platform or contact the grantor at IRACodes@hq.doe.gov.