; or (2) prohibits the introduction of evidence regarding collateral source benefits, or mandates or permits subrogation or a lien on collateral source benefits. (b) Protection of States’ rights and other laws Any issue that is not governed by any provision of law established by or under this Act (including State standards of negligence) shall be governed by otherwise applicable State or Federal law. (c) State Flexibility No provision of this Act shall be construed to preempt any defense available to a party in a health care lawsuit under any other provision of State or Federal law. 12. Effective date This Act shall apply to any health care lawsuit brought in a Federal or State court, or subject to an alternative dispute resolution system, that is initiated on or after the date of the enactment of this Act, except that any health care lawsuit arising from an injury occurring prior to the date of the enactment of this Act shall be governed by the applicable statute of limitations provisions in effect at the time the cause of action accrued.