This study of library requirements for a new circulation system is organized into three sections: (1) items required for initial implementation in July 1982; (2) items relating to notice generation and activity statistics, with implementation expected by fall 1982; and (3) items provided in the system as initially implemented, with additional programming required. Items in the first section include borrower information, conversion process, borrower information requirements, reserves, fines, requests, internal borrowers, CMF/item file, table governing routine procedures with online read and write access, and form of information display. Items in the fall 1982 implementation section are listed under fines, requests, internal borrowers, and additional requirements. The final section lists items under borrower information, reserves, internal borrowers, general system requirements, and additional requirements. (RBF)