The President may, on the basis of consultations with the appropriate congressional committees, modify or revise any part of the plan transmitted under subsection (a) until that part of the plan becomes effective in accordance with subsection (g).
The reorganization plan described in this section, including any modifications or revisions of the plan under subsection (e), shall become effective on the earlier of the date for the respective covered agency specified in paragraph (2) or the date announced by the President under paragraph (3).
An effective date under this paragraph for a reorganization plan described in this section is such date as the President shall determine to be appropriate and announce by notice published in the Federal Register, which date may be not earlier than 90 calendar days after the President has transmitted the reorganization plan to the appropriate congressional committees pursuant to subsection (a).
Nothing in this subsection may be construed to require the transfer of functions, personnel, records, balance of appropriations, or other assets of a covered agency on a single date.