II 118th CONGRESS 1st Session S. 1536 IN THE SENATE OF THE UNITED STATES May 10, 2023 Mr. Heinrich (for himself, Mr. Tester , Ms. Smith , and Mr. Luján ) introduced the following bill; which was read twice and referred to the Committee on Indian Affairs A BILL To ensure that all federally recognized Indian Tribes that are eligible for gaming in the United States are regulated under the Indian Gaming Regulatory Act, and for other purposes.