You may retire with a reduced service pension if you have reached age 55 and have at least 15 years of credited service, not counting any claimed or purchased service other than purchased service for sabbatical leave and military service (interrupting employment). However, in order to reflect the longer period of time over which payments will be made, your pension is the regular service pension calculation, reduced by 0.2% for each month you are under age 60 when you retire.

You may retire with a reduced service pension, regardless of age, if you have at least 25 years of credited service, not counting any claimed or purchased service other than purchased service for sabbatical leave and military service interrupting employment). However, in order to reflect the longer period of time over which payments will be made, your pension is the regular service pension calculation, reduced by 0.2% for each month that you are short of 30 years of credited service.