; (2) provides for the seizure of tobacco products or other property related to a violation of such laws; or (3) establishes cooperative programs for the administration of such laws. (c) Treatment of State and local governments Nothing in this Act or the amendments made by this Act shall be construed to authorize, deputize, or commission States or local governments as instrumentalities of the United States. (d) Enforcement within Indian Country Nothing in this Act or the amendments made by this Act shall prohibit, limit, or restrict enforcement by the Attorney General of the United States of this Act or an amendment made by this Act within Indian country. (e) Ambiguity Any ambiguity between the language of this section or its application and any other provision of this Act shall be resolved in favor of this section. (f) Definitions In this section— (1) the term Indian country has the meaning given that term in section 1 of the Act of October 19, 1949 ( 15 U.S.C. 375 ; commonly referred to as the Jenkins Act ), as amended by this Act; and (2) the term tribal enterprise means any business enterprise, regardless of whether incorporated or unincorporated under Federal or tribal law, of an Indian tribe or group of Indian tribes. 5. Severability If any provision of this Act, or any amendment made by this Act, or the application thereof to any person or circumstance, is held invalid, the remainder of the Act and the application of the Act to any other person or circumstance shall not be affected thereby. 6. Effective date This Act, and the amendments made by this Act, shall take effect 90 days after the date of the enactment of this Act.