Northern Mariana Islands Covenant Implementation Act

[AI summary unavailable — showing source text] Northern Mariana Islands Covenant Implementation Act - Declares it is Congress' intention in enacting this legislation to: (1) ensure effective immigration control by extending the Immigration and Nationality Act, as amended, in full to the Commonwealth of the Northern Mariana Islands with special provisions allowing for the orderly phasing-out of the nonresident contract worker program, and the orderly phasing-in of Federal responsibilities over immigration; and (2) minimize, to the greatest extent possible, potential adverse effects such phase-out might have on the economy of the Commonwealth. Amends the Covenant to establish a Commonwealth of the Northern Mariana Islands in Political Union with the United States of America (the Covenant Act) to apply the Immigration and Nationality Act, as amended, to the Commonwealth over a ten-year transition period during which the Attorney General shall implement an immigration transition program for it. Sets forth a statutory scheme for: (1) temporary alien workers; (2) immigrants; (3) adequate employment in Commonwealth's tourism industry after the transition period ends; (4) nonimmigrant investor visas; (5) lawful entry under Commonwealth…