N.C. Gen. Stat. § 53-315

An out-of-state trust institution that obtains approval from the Commissioner in accordance with the provisions of this Subpart may establish and maintain a trust office in this State; provided that the Commissioner shall not grant that approval unless the home state of the out-of-state trust institution permits a State trust institution to establish and maintain a trust office in that home state under restrictions not materially greater than those imposed by this Article.