The recorder may not record a mortgage of real property unless the mortgage contains the post-office address of the mortgagee. An assignment of a mortgage on real property which does not contain the post-office address of the assignee may not be received for record.
N.D. Cent. Code § 35-03-04
Prerequisites for recordation - Post-office address of mortgagee or assignee
Official source: North Dakota Legislative Branch. Reproduced from public-domain North Dakota statutes; confirm against the official source for the current text. Not legal advice.