Repeals a provision prohibiting the Department of Defense (DOD), after October 30, 2000, from granting or renewing a security clearance for a person who: (1) was convicted of a crime and served a sentence of not less than one year; (2) is an unlawful user of, or addicted to, a controlled substance; (3) is determined mentally incompetent; or (4) has been discharged or dismissed from the Armed Forces under dishonorable conditions.