N.C. Const. art. II, § 23

Revenue bills. No law shall be enacted to raise money on the credit of the State, or to pledge the faith of the State directly or indirectly for the payment of any debt, or to impose any tax upon the people of the State, or to allow the counties, cities, or towns to do so, unless the bill for the purpose shall have been read three several times in each house of the General Assembly and passed three several readings, which readings shall have been on three different days, and shall have been agreed to by each house respectively, and unless the yeas and nays on the second and third readings of the bill shall have been entered on the journal.