SDCL § 8-6-4: Record of proceedings of supervisors--Preservation--Destruction.

The township clerk shall be clerk of the township board of supervisors and shall manage and file a true record of all its proceedings except the records for accounts maintained by the treasurer as prescribed in § 8-10-27 and when no other provision is made by law. However, the township clerk may destroy any record which the records destruction board, acting pursuant to § 1-27-19, declares to have no further administrative, legal, fiscal, research, or historical value.