SDCL § 37-6-18: Cancellation of registration on request or due to error or fraud.

The secretary of state shall cancel from the register any registration for which the secretary of state has received a voluntary request for cancellation from the registrant or the assignee of record. The secretary of state, upon notice to the registrant, may cancel from the register any registration that the secretary of state granted in the previous one hundred eighty days upon a finding that:

(1) The registration was granted improperly or in error; or

(2) The registration was obtained fraudulently.

If the registrant objects, a hearing shall be conducted pursuant to chapter 1-26.