Home › USC › Title 2 › Chapter 17B2 U.S.C. Chapter 17B — IMPOUNDMENT CONTROL§ 681— Disclaimer§ 682— Definitions§ 683— Rescission of budget authority§ 684— Proposed deferrals of budget authority§ 685— Transmission of messages; publication§ 686— Reports by Comptroller General§ 687— Suits by Comptroller General§ 688— Procedure in House of Representatives and Senate