The Corporation will maintain a current index identifying any matter within the scope of Sec. 1602.4 and Sec. 1602.5(b) (1) through (5). The index will be maintained and made available for public inspection and copying at the Corporation's office in Washington, DC. The cost of a copy of the index will not exceed the standard charge for duplication set out in Sec. 1602.13(e). The Corporation will also make the index available on its websites.