Mealey's (June 25, 2018, 12:04 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on June 25 declined to review a California appeals court’s decision that a promissory note executed by an Indian tribe for payment of gambling machine rentals was a “collateral agreement” under the Indian Gaming Regulatory Act (IGRA) that was invalid because it was subject to approval by the National Indian Gaming Commission (Sharp Image Gaming, Inc. v. Shingle Springs Band of Miwok Indians, No. 17-1330, U.S. Sup.)....