1. Short title This Act may be cited as the Unnecessary Agency Regulations Reduction Act of 2023 . 2. Definitions In this Act— (1) the term Administrator means the Administrator of the Office of Information and Regulatory Affairs; (2) the term agency has the meaning given the term in section 551 of title 5, United States Code; (3) the term burdensome , with respect to a major rule or set of major rules of an agency, means that the major rule or set of major rules— (A) can be consolidated or repealed, in whole or in part, to eliminate or reduce excessive compliance costs or user fees; or (B) imposes unfunded mandates due to the agency failing to adequately comply with section 205 of the Unfunded Mandates Reform Act of 1995 ( 2 U.S.C. 1535 ); (4) the term duplicative , with respect to a major rule or set of major rules of an agency, means that the major rule or set of major rules overlaps, duplicates, or conflicts with other Federal regulations; (5) the term joint resolution means only a joint resolution that contains legislative language to consolidate or repeal, in whole or in part, agency major rules; (6) the term major rule has the meaning given the term in section 804 of title 5, United States Code; (7) the term outdated , with respect to a major rule or set of major rules of an agency or a portion of a major rule of an agency means that the major rule, set of major rules, or the portion of the major rule has not been modified in the 10-year period preceding the date on which the Administrator submits the most recent list required under section 3(a)(3)(A)(ii); (8) the term regulation has the meaning given the term rule in section 551 of title 5, United States Code