after the date of enactment of this Act, the Judicial Conference of the United States, with the assistance of the Director of the Federal Judicial Center and the Director of the Administrative Office of the United States Courts, shall annually prepare and transmit to the Committees on the Judiciary of the Senate and the House of Representatives for public dissemination a report summarizing how funds paid by defendants in class actions have been distributed, based on the settlement accountings submitted pursuant to subsection (a). 1720. Issues classes (a) In general A Federal court shall not issue an order granting certification of a class action with respect to particular issues pursuant to Rule 23(c)(4) of the Federal Rules of Civil Procedure unless the entirety of the cause of action from which the particular issues arise satisfies all the class certification prerequisites of Rule 23(a) and Rule 23(b)(1), Rule 23(b)(2), or Rule 23(b)(3). (b) Certification order An order issued under Rule 23(c)(4) of the Federal Rules of Civil Procedure that certifies a class with respect to particular issues shall include a determination, based on a rigorous analysis of the evidence presented, that the requirement in subsection (a) of this section is satisfied. 1721. Stay of discovery In any class action, all discovery and other proceedings shall be stayed during the pendency of any motion to transfer, motion to dismiss, motion to strike class allegations, or other motion to dispose of the class allegations, unless the court finds upon the motion of any party that particularized discovery is necessary to preserve evidence or to prevent undue prejudice to that party. 1722. Third-party litigation funding disclosure In any class action, class counsel shall promptly disclose in writing to the court and all other parties the identity of any person or entity, other than a class member or class counsel of record, who has a contingent right to receive compensation from any settlement, judgment, or other relief obtained in the action.