The job insurance division may reconsider a determination of a claim whenever it finds:
No such redetermination may be made after two years from the day of the original determination, except that a reconsidered determination involving a finding that benefits have been allowed or denied or the amount of benefits fixed on the basis of nondisclosure or misrepresentations of fact may be made within three years from the date of the determination. Notice of any such redetermination must be given promptly to the parties entitled to the notice or original determination and in the manner prescribed in section 52-06-12.
N.D.C.C. § 52-06-16