N.D. Cent. Code § 14-03-21
When a person authorized by law solemnizes a marriage, that person shall fill out and sign the certificate following the license in duplicate, giving the person's official title, or if a minister of the gospel or priest, the ecclesiastical body with which the minister or priest is connected. The original copy of the certificate and license must be returned to the official who issued the license within five days after the date of the solemnization of the marriage and the duplicate copy must be immediately delivered to the persons married. The official shall file the original copy and retain it as an official record. Any person who willfully neglects to make such return within the time required is subject to the penalty provided in section 14-03-28.
N.D.C.C. § 14-03-21