Gaming Clarification Act of 1999

Gaming Clarification Act of 1999 - Amends the Indian Gaming Regulatory Act to make class III gaming activities lawful on Indian trust land in the State of Missouri only when they are conducted in accordance with any geographic limitation placed by the Missouri State Constitution. Prohibits the Secretary of the Interior from taking land into trust for an Indian tribe in Missouri for class II or class III gaming or approving such gaming on lands taken into trust in the State when the Missouri State Constitution authorizes the State's general assembly to permit lotteries, gift enterprises, and games of chance to be conducted only upon the Mississippi and Missouri Rivers on excursion gambling boats and floating facilities.