Amends the Immigration and Nationality Act to revise the description of inadmissibility based upon six-month or one-year unlawful U.S. presence to provide that an alien shall be inadmissible who has been unlawfully present in the United States for: (1) a period of more than 180 days but less than one year unless the alien has remained outside of the United States for a period totaling at least three years; or (2) one year or more unless the alien has remained outside of the United States for a period totaling at least 10 years.