SDCL § 37-21A-8: Denial, suspension, or revocation of certificate of registration.

The secretary may, for good cause, after careful investigation and consideration, deny, suspend, or revoke a certificate of registration. Good cause may include any violation of a weights and measures statute, failure to submit annual calibration documentation for all weighing and measuring devices used in servicing equipment, or calculated misrepresentations with regard to a service agent's competence, equipment, or reports.