North Carolina General Statutes Chapter 115C. Elementary and Secondary Education § 115C-502. Maximum rate and frequency of elections

(a) A tax for supplementing the public school budget shall not exceed fifty cents (50¢) on the one-hundred-dollar ($100.00) value of property subject to taxation by the local school administrative unit: Provided, that in any local school administrative unit, district, or other school area having a total population of not less than 100,000 said local annual tax that may be levied shall not exceed sixty cents (60¢) on one-hundred-dollars ($100.00) valuation of said property.

(b) If a majority of those who vote in any election called pursuant to the provisions of this Article do not vote in favor of the purpose for which such election is called, another election for the same purpose shall not be called for and held in the same local school administrative unit, district, or area until the lapse of six months after the prior election. However, the foregoing time limitation shall not apply to any election held in a local school administrative unit, district, or other school area which is larger or smaller than the local school administrative unit, district, or area in which the prior election was held, or to any election held for a different purpose than the prior election.