; and (2) shall be available for expenditure without further appropriation— (A) at the project site from which the amounts are collected; or (B) at another project site. (c) Relation to other laws (1) In general Notwithstanding any other provision of law, the value of services received by the Chief under a stewardship contract, and any payments made or resources provided by the contractor or the Chief, shall not be considered amounts received from the National Forest System. (2) Knutson-Vandenberg Act The Act of June 9, 1930 (commonly known as the Knutson-Vandenberg Act ) ( 16 U.S.C. 576 et seq.), shall not apply to a stewardship contract. 606. Costs of removal The Chief may collect deposits from a contractor to cover the costs of removal of timber or other forest products (including timber that the contractor did not harvest) under— (1) the Act of August 11, 1916 ( 16 U.S.C. 490 ); and (2) the Act of June 30, 1914 ( 16 U.S.C. 498 ). 607. Performance and payment guarantees (a) In general The Chief may require performance and payment bonds under sections 28.103–2 and 28.103–3 of the Federal Acquisition Regulation, in an amount that the contracting officer considers sufficient to protect the investment in receipts by the Federal Government generated by the contractor from the estimated value of the forest products to be removed under a stewardship contract. (b) Excess offset value If the offset value of the forest products described in subsection (a) exceeds the value of the resource improvement treatments, the Chief may— (1) collect any residual receipts under the Act of June 9, 1930 (commonly known as the Knutson-Vandenberg Act ) ( 16 U.S.C. 576 et seq.)