N.D. Cent. Code § 9-01-02 : — CONTRACTS AND OBLIGATIONS01 - GENERAL PROVISIONS —01-02 - Requisites of contract TEXT PDF It is essential to the existence of a contract that there should be: 1. Parties capable of contracting; 2. The consent of the parties; 3. A lawful object; and 4. Sufficient cause or consideration. N.D.C.C. § 9-01-02