OAR 459-005-0005: Amendments to Retirement Law

(1) Any changes in benefit calculation or any benefit enhancement established by legislative amendment that affects the Public Employees Retirement System shall apply to members or their beneficiaries, or alternate payees or their beneficiaries, whose effective date of benefits is on or after the effective date of the amendment, unless otherwise specifically provided by law. (2) Any increase in service or disability retirement benefits, to or on account of any person who has retired as a member of the system, established by amendment to law affecting the Public Employees Retirement System shall apply to either retired members or their beneficiaries, or alternate payees or their beneficiaries, as of the first of the calendar month following the effective date of such amendment, unless otherwise specifically provided by law.