; (B) a major increase in costs or prices for consumers, individual industries, Federal, State, local, or tribal government agencies, or geographic regions; (C) significant adverse effects on competition, employment, investment, productivity, innovation, or on the ability of United States-based enterprises to compete with foreign-based enterprises in domestic and export markets; or (D) significant impacts on multiple sectors of the economy. (4) Rule The term rule has the meaning given that term in section 551 of title 5, United States Code. (5) Set of rules The term set of rules means a set of rules that collectively implements a regulatory authority of an agency. 502. Effective date This Act and the amendments made by this Act shall take effect beginning on the date of the enactment of this Act.