The legislators themselves, as per the oath taken by every legislator in North Carolina, as noted in the NC State Constitution: Article 6, section 7.[1]
Sec. 7. Oath.
Before entering upon the duties of an office, a person elected or appointed to the office shall take and subscribe the following oath:
"I, _______________, do solemnly swear (or affirm) that I will support and maintain the Constitution and laws of the United States, and the Constitution and laws of North Carolina not inconsistent therewith, and that I will faithfully discharge the duties of my office as _______________, so help me God."
[1] https://www.ncleg.net/legislation/constitution/article6.html