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When you join the Retirement System, you are assigned to a tier depending on your date of membership.
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If you joined the Employees’ Retirement System:
- July 27, 1976, through August 31, 1983, you are a Tier 3 member.
- September 1, 1983, through December 31, 2009, you are a Tier 4 member.
- January 1, 2010, through March 31, 2012, you are a Tier 5 member.
- April 1, 2012 or after, you are a Tier 6 member.