N.C. Gen. Stat. § 119-43
Every person delivering at wholesale or retail any gasoline in this State shall deliver the same to the purchaser only in tanks, barrels, casks, cans, or other containers having the word "Gasoline" or the name of such other like products of petroleum, as the case may be, in English, plainly stenciled or labeled in colors to meet the requirements of the regulations adopted by the Commissioner of Agriculture and/or the Gasoline and Oil Inspection Board. Such dealers shall not deliver kerosene oil in any barrel, cask, can, or other container which has not been stenciled or labeled as hereinbefore provided. Every person purchasing gasoline for use or sale shall procure and keep the same only in tanks, barrels, casks, cans, or other containers stenciled or labeled as hereinbefore provided: Provided, that nothing in this section shall prohibit the delivery of gasoline by hose or pipe from a tank directly into the tank of any automobile or any other motor vehicle: Provided further, that in case gasoline or other inflammable liquid is sold in bottles, cans, or packages of not more than one gallon for cleaning and other similar purposes, the label shall also bear the words "Unsafe when exposed to heat or fire."
N.C. Gen. Stat. § 119-43