For fiscal year 2009, and each subsequent fiscal year, the Secretary may reduce the amounts of grants under this subchapter to a State or political subdivision of a State for a fiscal year if, with respect to such grants for the second preceding fiscal year, the State or subdivision fails to prepare audits in accordance with the procedures of section 7502 of title 31. The Secretary shall annually select representative samples of such audits, prepare summaries of the selected audits, and submit the summaries to the Congress.