Every person who has actual notice of circumstances sufficient to put a prudent person upon inquiry as to a particular fact and who omits to make such inquiry with reasonable diligence is deemed to have constructive notice of the fact itself.
N.D.C.C. § 1-01-25 — under General Principles and Definitions.
N.D.C.C. § 1-01-25
Every person who has actual notice of circumstances sufficient to put a prudent person upon inquiry as to a particular fact and who omits to make such inquiry with reasonable diligence is deemed to have constructive notice of the fact itself.