; and (4) the term State includes the District of Columbia and any commonwealth, possession, or other territory of the United States. (b) Offense (1) Generally Except as provided in subsection (c), whoever knowingly transports a minor across a State line, with the intent that the minor obtain an abortion, and thereby in fact abridges the right of a parent of the minor under a law requiring parental involvement in a minor's abortion decision, shall be fined under this title or imprisoned not more than 1 year, or both. (2) Definition For purposes of this subsection, an abridgement of the right of a parent of a minor occurs if an abortion is performed on the minor, in a State other than the State in which the minor resides, without the parental consent or notification, or the judicial authorization, that would have been required under a law requiring parental involvement in a minor's abortion decision, had the abortion been performed in the State in which the minor resides. (c) Exceptions (1) Life-endangering conditions The prohibition under subsection (b) shall not apply in the case of an abortion that is necessary to save the life of a minor because her life is endangered by a physical disorder, physical injury, or physical illness, including a life-endangering physical condition caused by or arising from the pregnancy itself. (2) Minors and parents A minor transported in violation of this section, and any parent of the minor, may not be prosecuted or sued for a violation of this section, a conspiracy to violate this section, or an offense under section 2 or 3 based on a violation of this section. (d) Affirmative defense It is an affirmative defense to a prosecution for an offense, or to a civil action, based on a violation of this section that the defendant reasonably believed, based on information the defendant obtained directly from a parent of the minor or other compelling facts, that before the minor obtained the abortion, the parental consent or notification, or judicial authorization, that would have been