North Dakota Constitution Art. III, § 1

While the legislative power of this state shall be vested in a legislative assembly consisting of a senate and a house of representatives, the people reserve the power to propose and enact laws by the initiative, including the call for a constitutional convention; to approve or reject legislative Acts, or parts thereof, by the referendum; to propose and adopt constitutional amendments by the initiative; and to recall certain elected officials. This article is self-executing and all of its provisions are mandatory. Laws may be enacted to facilitate and safeguard, but not to hamper, restrict, or impair these powers.