N.C. Gen. Stat. § 158-18

The form of the question shall be substantially the words "For Industrial Development Tax," and "Against Industrial Development Tax," which alternates shall appear separated from each other on one ballot containing opposite, and to the left of each alternate, squares of appropriate size in one of which squares the voters may make a mark "X" to designate the voter's choice for or against such tax. Such ballot shall be printed on white paper and each polling place shall be supplied with a sufficient number of ballots not later than the day before the election. At such special election the election board shall cause to be placed at each voting precinct in said county a ballot box marked "Industrial Development Tax Election."