SDCL § 58-18-4.2: Required duration of participation by employer member in association plan.

An employer member that participates in an association under §§ 58-18-3 and 58-18-4 shall participate in the association plan for a period of not less than three consecutive calendar years. Any contract issued to an association shall contain reasonable enforcement provisions including reasonable fees or assessments for early departure or for enrollment in another multiple employer plan during the early departure date.