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All employers that wish to take part in the Wisconsin Retirement System must join and be covered by a Section 218 Agreement, which is an agreement between the state and the Social Security Administration (SSA) to provide Social Security coverage for state and local government employees.

There are certain times throughout the year when you may enroll in health and supplemental insurance benefits, or change your coverage.

Information for employers about being covered by a Section 218 agreement and supplying Social Security Coverage for some or all of their employees.

The annual insurance benefits open enrollment period is September 30-October 25, 2024. The annual insurance benefits open enrollment allows uninsured but eligible employees and retirees to enroll for coverage effective the following January 1.