; and (2) recommendations for legislation needed to optimize the size and configuration of the Reserve. 5. Saving Federal funds by authorizing changes to the composition of circulating coins Section 5112 of title 31, United States Code, is amended by adding at the end the following: (x) Composition of circulating coins (1) In general Notwithstanding any other provision of law, the Director of the United States Mint may modify the composition of circulating coins in accordance with a study and analysis conducted by the United States Mint, if that modification will— (A) reduce costs incurred by the taxpayers of the United States; (B) be seamless, as determined through testing conducted by most coin acceptors; and (C) have no impact on the public and stakeholders, except as described in subparagraph (A). (2) Notification to Congress On the date that is 90 days before the date on which the Director of the United States Mint makes a modification described in paragraph (1), the Director shall submit to Congress notice that— (A) provides a justification for the modification, including the support for that modification in the study and analysis required under paragraph (1) with respect to the modification; (B) describes how the modification will reduce costs incurred by the taxpayers of the United States; (C) certifies that the modification will be seamless, as described in paragraph (1)(B)