N.C. Const. art. XIII, § 3

Revision or amendment by Convention of the People. A Convention of the People of this State may be called pursuant to Section 1 of this Article to propose a new or revised Constitution or to propose amendments to this Constitution. Every new or revised Constitution and every constitutional amendment adopted by a Convention shall be submitted to the qualified voters of the State at the time and in the manner prescribed by the Convention. If a majority of the votes cast thereon are in favor of ratification of the new or revised Constitution or the constitutional amendment or amendments, it or they shall become effective January first next after ratification by the qualified voters unless a different effective date is prescribed by the Convention.