Effective date

(a) In general The amendments made by sections 2 and 3 shall take effect on the date of enactment of this Act and shall apply with respect to any dispute or claim that arises or accrues on or after such date, including any dispute or claim to which a provision predating such date applies, regardless of whether plan documents have been updated in accordance with such amendments. (b) Enforcement with respect to plan document updates Notwithstanding subsection (a), no person shall be deemed to be in violation of such amendments on account of plan documents that have not been updated in accordance with such amendments until after the beginning of the first plan year that begins on or after the date that is 1 year after the date of enactment of this Act, provided that such person acts in accordance with such amendments during the period in which the plan documents have not been updated.