; predispute joint-action waiver The terms predispute arbitration agreement and predispute joint-action waiver have the meanings given the terms in section 401. 502. No validity or enforceability (a) In general Notwithstanding any other provision of this title, at the election of the person alleging conduct constituting an age discrimination dispute, or the named representative of a class or in a collective action alleging such conduct, no predispute arbitration agreement or predispute joint-action waiver shall be valid or enforceable with respect to a case which is filed under Federal, Tribal, or State law and relates to the age discrimination dispute. (b) Determination of applicability An issue as to whether this chapter applies with respect to a dispute shall be determined under Federal law. The applicability of this chapter to an agreement to arbitrate and the validity and enforceability of an agreement to which this chapter applies shall be determined by a court, rather than an arbitrator, irrespective of whether the party resisting arbitration challenges the arbitration agreement specifically or in conjunction with other terms of the contract containing such agreement, and irrespective of whether the agreement purports to delegate such determinations to an arbitrator. . (b) Technical and conforming amendments (1) In general Title 9 of the United States Code is amended— (A) in section 2, by inserting or 5 before the period at the end; (B) in section 208, in the second sentence, by inserting or 5 before the period at the end; and (C) in section 307, in the second sentence, by inserting or 5 before the period at the end. (2) Table of chapters The table of chapters for title 9, United States Code, is amended by adding at the end the following: 5. Arbitration of disputes involving age discrimination 501. . 3. Applicability This Act, and the amendments made by this Act, shall apply with respect to any dispute or claim that arises or accrues on or after the date of enactment of this Act.