; 38 U.S.C. 5701 note prec.)); (5) has the capacity to accommodate not fewer than 50,000 users; and (6) includes any other functions, capabilities, or components as determined by the Secretary. (b) Requirements If the Secretary carries out a covered information technology system under subsection (a), the Secretary shall— (1) determine whether the functions of the system are satisfactory by piloting such functions at one facility of the Department before expanding implementation of the system throughout the Department; and (2) with respect to the functions referred to in subsection (a)(1)(A), prioritize the delivery of inventory management capabilities. (c) Exception Subsection (a) shall not apply with respect to information technology systems used by the Secretary at joint facilities of the Department of Veterans Affairs and the Department of Defense. (d) Completion of implementation The Secretary shall complete the implementation of a covered information technology system by not later than three years after the date of the enactment of this Act. (e) Covered information technology system defined In this section, the term covered information technology system means an information technology system, or a system of systems, for the management of supply chains, including with respect to inventory and other functions.