The Community Investment and Prosperity Act proposes to expand the capacity of national banking associations and State member banks to invest in projects that promote the public welfare. It achieves this by amending specific provisions within the Revised Statutes of the United States and the Federal Reserve Act. Specifically, the bill increases the aggregate amount these financial institutions may invest in public welfare initiatives from 15 percent to 20 percent of their capital and surplus. This adjustment provides banks with greater flexibility and resources to support community development, affordable housing, and other public benefit activities. The legislation empowers the Comptroller of the Currency and the Board of Governors of the Federal Reserve System to oversee this increased investment capacity.