and Declassification, amounts in a fund of a covered agency established by paragraph (1) shall be available, without fiscal year limitation, to promote and implement technological and automated solutions that are interoperable across covered agencies to support the programs of covered agencies established pursuant to subsection (b). (e) Transfers to the funds Each head of a covered agency shall issue regulations for the covered agency, subject to review and approval by the Executive Agent for Classification and Declassification, that require each subcomponent of the covered agency to transfer, on a periodic basis, to the fund established for the covered agency under subsection (c)(1), an amount for a period that bears the same ratio to the total amount transferred to the fund by all subcomponents of the covered agency for that period as the ratio of— (1) the estimate for the subcomponent pursuant to the mechanism required by subsection (c) for that period