Indian Gaming Regulatory Act

Indian Gaming Regulatory Act - Establishes Federal standards for gaming activity on Indian lands.

Makes gaming class II (bingo or lotto) and class III (all other forms of gaming not covered under class I or II) activities illegal on certain trust lands located outside of an Indian tribe's reservation unless: (1) such tribe obtains the concurrence of the Governor of the State, the legislature, and county and municipal governments; and (2) with respect to lands taken in trust as part of a settlement of a land claim or the initial reservation of a tribe, acknowledged by the Secretary of the Interior under the Federal acknowledgment process.

Applies provisions of the Internal Revenue Code concerning the taxation, reporting, and withholding of taxes to the operation of such activities.

Establishes within the Department of the Interior the National Indian Gaming Commission. Authorizes the Commission to: (1) monitor Indian gaming activities; (2) establish regulations for the assessment and collection of civil fines; and (3) implement such other regulations as it deems appropriate.

Exempts class I gaming (social games for prizes of minimal value activities) from the provisions of this Act.

Provides that Indian tribes may engage in, or license and regulate, class II gaming activities on Indian lands if the governing body of the Indian tribe adopts an ordinance or resolution which is approved by the Chairman of the Commission.

Requires tribal licensing requirements for class II gaming activities to be at least as restrictive as State law governing similar gaming within the State. Requires the Secretary to prepare a list of each class II gaming activity and publish such list in the Federal Register.

Permits an Indian tribe, subject to the approval of the Chairman, to enter into management contracts for the operation and management of tribal gaming enterprises. Sets forth: (1) specified information to be included in such contracts; and (2) procedures relating to the approval of such contracts.

Authorizes the Commission to levy and collect fines (including the permanent closure of gaming operations) for violations of the standards contained in this Act or regulations adopted by the Commission. Sets forth provisions with respect to the power of the Commission to subpoena witnesses and evidence. Requires the Commission to treat such information as confidential. Authorizes the Attorney General to investigate gaming activities which may be in violation of Federal law.

Sets forth specified provisions with respect to the Commission's annual budget. Authorizes appropriations.

Amends Federal criminal law to provide that State laws regarding the licensing, regulation, or prohibition of gambling (including criminal sanctions) shall be applicable to Indian lands. Provides criminal penalties for persons who are found guilty of gambling (except gambling authorized under this Act and approved by the Commission) on Indian lands.