; and (2) comply with Federal regulations regarding equitable adjustments, including specifying additional costs resulting from such change in the work within the general scope of the contract. (b) Amount Upon receipt of a request for equitable adjustment under subsection (a), the agency shall provide to the small business concern an interim partial payment in an amount that is at least 50 percent of the costs identified in the request for equitable adjustment under subsection (a)(2). (c) Limitation Any interim partial payment made under this section shall not be deemed to be an action to definitize the request for an equitable adjustment. (d) Flow-Down of interim partial payment amounts A small business concern that requests an equitable adjustment under this section shall pay to a first tier subcontractor or supplier the portion of the interim partial payment received that is attributable to the increased costs of performance incurred by the first tier subcontractor or supplier due to the change in the work within the general scope of the contract. A subcontractor or supplier at any tier that receives a portion of an interim partial payment under this section shall pay its subcontractor or supplier the appropriate portion of such payment. . (b) Implementation The Administrator of the Small Business Administration shall implement the requirements of this section not later than the first day of the first full fiscal year beginning after the date of the enactment of this Act.