(a)
In general— The Secretary of Defense may transfer amounts appropriated pursuant to section 3(a) for military personnel, operations, maintenance, and procurement for the same purposes as the appropriation or fund to which such amounts are transferred. The transfer authority under this subsection is in addition to any other transfer authority available to the Department of Defense.
(b)
Transfers back— Upon determining that all or part of the amounts transferred pursuant to subsection (a) are not necessary for the purposes for which they were transferred, such amounts may be reallocated for the same purposes until September 30, 2028.
(c)
Notification requirement— Not later than 45 days after making a transfer pursuant to subsection (a), the Secretary of Defense shall notify the congressional defense committees in writing of any such transfer.