To amend the Immigration and Nationality Act to simplify the requirements for United States nationals to become citizens.

Amends the Immigration and Nationality Act to revise the requirements for naturalization of U.S. nationals to provide that such an individual shall become a citizen upon: (1) establishing to the satisfaction of the Secretary of Homeland Security that the individual is a U.S. national; and (2) taking before an immigration officer within the United States the required oath of allegiance.