(2)
the Secretary or the Administrator (as appropriate), in consultation with the National Capital Memorial Advisory Commission, has made a determination that—
(A)
final design approvals have been obtained from the National Capital Planning Commission and the Commission of Fine Arts; and
(B)
75 percent of the amount estimated to be required to complete the commemorative work has been raised.
If these two conditions have been met, the Secretary or the Administrator (as appropriate) may extend the seven-year legislative authority for a period not to exceed three additional years. Upon expiration of the legislative authority, any previous site and design approvals shall also expire.