A person may revoke an assignment made pursuant to § 58-17-163 with or without the consent of the dentist or dental corporation. The revocation shall be in writing. The person shall provide notice of the revocation to the insurer. The insurer shall send a copy of the revocation notice to the dentist or dental corporation subject to the assignment. The revocation is effective when both the insurer and the dentist or dental corporation have received a copy of the revocation notice. The revocation is only effective for any charges incurred after both parties have received the revocation notice.
SDCL 58-17-164