North carolina constitution
Article VII
Section 3

Any unit of local government formed by the merger or consolidation of a county or counties and the cities and towns therein shall be deemed both a county and a city for the purposes of this Constitution, and may exercise any authority conferred by law on counties, or on cities and towns, or both, as the General Assembly may provide.

Structure North carolina constitution

North carolina constitution

Article VII

Section 1

Section 2

Section 3