; and (B) the Secretary determines will not be allocated to the States (or will not be apportioned to the States under section 204 of title 23, United States Code), and will not be available for obligation, for such fiscal year because of the imposition of any obligation limitation for such fiscal year. (2) Ratio Funds shall be distributed under paragraph (1) in the same proportion as the distribution of obligation authority under subsection (a)(5). (3) Availability Funds distributed to each State under paragraph (1) shall be available for any purpose described in section 133(b) of title 23, United States Code. 121. Notwithstanding 31 U.S.C. 3302 , funds received by the Bureau of Transportation Statistics from the sale of data products, for necessary expenses incurred pursuant to chapter 63 of title 49, United States Code, may be credited to the Federal-aid highways account for the purpose of reimbursing the Bureau for such expenses: Provided , That such funds shall be subject to the obligation limitation for Federal-aid highway and highway safety construction programs. 122. Not less than 15 days prior to waiving, under his or her statutory authority, any Buy America requirement for Federal-aid highways projects, the Secretary of Transportation shall make an informal public notice and comment opportunity on the intent to issue such waiver and the reasons therefor: Provided , That the Secretary shall provide an annual report to the House and Senate Committees on Appropriations on any waivers granted under the Buy America requirements. 123. None of the funds in this Act to the Department of Transportation may be used to provide credit assistance unless not less than 3 days before any application approval to provide credit assistance under sections 603 and 604 of title 23, United States Code, the Secretary of Transportation provides notification in writing to the following committees: the House and Senate Committees on Appropriations