Wrong. Enclave clause at Article I, Section 8 Clause 17.
and the Acceptance of Congress
That will never happen, because they are not compelled to accept it. 🙂
Article I Legislative Branch
Section 8 Enumerated Powers
Clause 17 Enclave Clause
To exercise exclusive Legislation in all Cases whatsoever, over such District (not exceeding ten Miles square) as may, by Cession of particular States, and the Acceptance of Congress, become the Seat of Government of the United States, and to exercise like Authority over all Places purchased by the Consent of the Legislature of the State in which the Same shall be, for the Erection of Forts, Magazines, Arsenals, dock-Yards, and other needful Buildings;–And
ArtI.S8.C17.1 The Capitol
ArtI.S8.C17.1.1 Seat of Government Clause
Historical Background
ArtI.S8.C17.1.2 Seat of Government Doctrine
and Practice
ArtI.S8.C17.2 Places Puerchased ArtI.S8.C17.2.1 Places Purchased Clause
Overview
ArtI.S8.C17.2.2 Federal Jurisdiction
ArtI.S8.C17.2.3 Reservation of Jurisdiction by States