(a) Shall not be paid in any tax year in which retirement benefits that are payable under the Public Employees Retirement System and that are attributable to service rendered by the member before September 29, 1991, are wholly exempt from Oregon personal income taxation under Oregon law.
(b) Shall be reduced proportionately for any tax year in which retirement benefits that are payable under the Public Employees Retirement System and that are attributable to service rendered by the member before September 29, 1991, are partially exempt from Oregon personal income taxation under Oregon law.
(2) An overpayment of benefits that results from the operation of subsection (1) of this section is not recoverable from the recipient of the benefits, but the Public Employees Retirement Board shall ensure that no additional overpayments are made.
(3) No member of the system or beneficiary of a member of the system shall acquire a right, contractual or otherwise, to the increased benefits provided by sections 3 to 10, chapter 569, Oregon Laws 1995.
(4)(a) Notwithstanding any other provision of law, a class action may not be commenced on or after July 14, 1995, based on a claim for damages arising out of the subjecting of benefits paid under this chapter to Oregon personal income taxation by act of the Legislative Assembly.
(b) Notwithstanding any other provision of law, any court in which there is pending on May 30, 1997, a class action that was commenced before July 14, 1995, based on a claim for damages arising out of the subjecting of benefits paid under this chapter to Oregon personal income taxation, may at any time after May 30, 1997, reopen that class action if by act of the Legislative Assembly there is a decrease in the benefit payable under ORS 238.364 or 238.368 (2), or in the benefits payable to judge members by reason of the application of ORS 238.364 or 238.368 (2) to judge members, or in the benefits payable to any member, judge member or beneficiary under section 10, chapter 569, Oregon Laws 1995, without an equivalent decrease in the personal income tax imposed under Oregon law on benefits paid under the system that are attributable to service rendered before September 29, 1991. Upon reopening the class action, the court may change the membership of the classes and may grant such further relief as may be warranted, including the entry of a judgment for damages or a judgment for supplemental relief under ORS 28.080. [Formerly 238.375]