11 At the urging of the chairman, a member of a federal commission agreed to waive his statutory entitlement to $100 per day while involved in commission business. The year after the commission was disbanded, the former member changed his mind and filed a claim for a portion of the compensation he would have received had it not been for the waiver. Since the $ 100 per day was a statutory entitlement, the purported waiver was invalid, and the former commissioner was entitled to be paid. Did the cardholder violate an ADA provision? If so, which one? Yes, 31 U.S.C. 5 1341 - Limitations on expending and obligating amounts Yes, 31 U.S.C. 5 1342 - Limitation on Voluntary Services Yes, 31 U.S.C. 5 1517 - Prohibited Obligations & Expenditures No, the cardholder did not violate an ADA provision