Generally, there can be only one effective date of coverage for a coverage group.
However, if a retirement system covers the positions of employees of the State and
one or more political subdivisions or the employees of two or more political subdivisions,
the State may take one of the following actions if it has not designated different
retirement systems for purposes of the referendum:
Choose a single effective date for all members of the coverage group;
Choose a different effective date for any one or any combination of the political
Choose a different effective date for the State or for the State and any one or more
of the political subdivisions.
These choices are available for Agreements and Modifications entered into on or after
September 13, 1960.
When there are different effective dates, an employee will receive retroactive coverage
only for his or her services with the entity that employs him or her on the date that
controls retroactivity and only to the extent the Agreement provides retroactive coverage
for the employees of that entity. The State may provide additional retroactive coverage
for employees who work at different times for more than one of the employers included
in the coverage group.
This provision applies only to effective dates. In other respects, there is no change
in the retirement system coverage group. One referendum must be held for the entire
system. The Modification extends coverage to all employees in positions under the
system. The optional exclusions taken and the date designated to control retroactive
coverage apply to the entire coverage group. Employees whose positions are brought
under the retirement system after the Modification are automatically covered.