(2)(A) It shall be unlawful for any individual knowingly to possess
a firearm that has moved in or that otherwise affects interstate or
foreign commerce at a place that the individual knows, or has reasonable
cause to believe, is a school zone.
(B) Subparagraph (A) does not apply to the possession of a firearm--
(i) on private property not part of school grounds;
(ii) if the individual possessing the firearm is licensed to do
so by the State in which the school zone is located or a political
subdivision of the State, and the law of the State or political
subdivision requires that, before an individual obtains such a
license, the law enforcement authorities of the State or political
subdivision verify that the individual is qualified under law to
receive the license;
(iii) that is--
(I) not loaded; and
(II) in a locked container, or a locked firearms rack that
is on a motor vehicle;
(iv) by an individual for use in a program approved by a school
in the school zone;
(v) by an individual in accordance with a contract entered into
between a school in the school zone and the individual or an
employer of the individual;
(vi) by a law enforcement officer acting in his or her official
capacity; or
(vii) that is unloaded and is possessed by an individual while
traversing school premises for the purpose of gaining access to
public or private lands open to hunting, if the entry on school
premises is authorized by school authorities.