All Class D members of the South Dakota Retirement System as of July 1, 2020, are considered vested.
No contributions by Class D members are required on or after January 1, 1990.
A participant, whether active or inactive, shall cease to be a participant on the earlier of the following:
An inactive participant shall also cease to be a participant on the earliest date on which the participant is not entitled to a deferred monthly income.
SDCL 3-13C-10