Marine Access and State Transparency or the MAST Act
This bill amends the Antiquities Act of 1906 to require the President, before a national monument can be designated on public land, to obtain congressional approval and certify compliance with the National Environmental Policy Act of 1969.
The bill bars the President from declaring any area of the exclusive economic zone to be a national monument unless:
The bill prohibits the Department of the Interior or the Department of Commerce, with respect to any area of the exclusive economic zone that is designated as a national monument, from implementing any restrictions on the public use of such a national monument until the expiration of an appropriate review period providing for public input and congressional approval.