North Carolina General Statutes Chapter 14. Criminal Law § 14-401.18A. Sale of certain e-liquid containers prohibited

(1) Child-resistant packaging.--Packaging that is designed or constructed to be significantly difficult for children under five years of age to open or obtain a toxic or harmful amount of the substance contained therein within a reasonable time and not difficult for adults to use properly, but does not mean packaging which all such children cannot open or obtain a toxic or harmful amount within a reasonable time.

(2) E-liquid.--A liquid product, whether or not it contains nicotine, that is intended to be vaporized and inhaled using a vapor product.

(3) E-liquid container.--A bottle or other container of e-liquid. The term does not include a container holding liquid that is intended for use in a vapor product if the container is pre-filled and sealed by the manufacturer and is not intended to be opened by the consumer.

(4) Vapor product.--Any noncombustible product that employs a mechanical heating element, battery, or electronic circuit regardless of shape or size and that can be used to heat a liquid solution contained in a vapor cartridge. The term includes an electronic cigarette, electronic cigar, electronic cigarillo, and electronic pipe.