The agency shall fix, determine, and publicly announce such referendum at least 30 days before the date set for such referendum, the date, hours, and polling places for voting in such referendum, the amount and basis of the assessment proposed to be collected, the means by which such assessment shall be collected if favorably voted upon, and the general purposes to which said amount so collected shall be applied. Such public notice shall be published at least once 20 days prior to the election in one or more newspapers having general circulation in the area where the vote is to be taken.
N.C. Gen. Stat. § 113-314