Unless the claimant, or any other interested party, within fifteen days after notice has been mailed to the claimant's or the interested party's last known address, applies for reopening of the initial determination or files an appeal from the adjusted determination, the determination shall be final insofar as an appeal by interested parties is concerned and benefits shall be paid or denied in accordance therewith. Benefits shall be paid promptly in accordance with a determination, redetermination, or appeal which allows benefits, and the allowance of benefits shall continue regardless of the pendency of the period to apply for reconsideration, file an appeal, or petition for judicial review and regardless of the pendency of the adjudication process.
SDCL 61-7-5