For ERS Tier 3 and 4 Members
(Articles 14 and 15)
When you join the Retirement System, you are assigned to a tier depending on your date of membership.
If you joined the Employees’ Retirement System on or after July 27, 1976 but before September 1, 1983, you are in Tier 3.
If you joined on or after September 1, 1983 up to and including December 31, 2009, you are in Tier 4.