(1) If an employee has not been issued a payment on the claim, an employee may cancel a claim within thirty days of the date of the submitted application for benefits.

(2) The commissioner, at the commissioner's discretion, may permit cancellation of a claim without an issued payment after thirty days from the date of the submitted application for benefits in extreme and unusual circumstances.

(3) An employee may not cancel a claim that has been issued a payment. The department will only cancel a claim that has been issued a payment in any amount if the department made the payment due to departmental error.

(4) If the department has denied benefits before the request to cancel the claim was received, the denial will remain in effect.

(5) The denial of a request to cancel a claim is not subject to appeal.