North Carolina Administrative Code Title 17 — Revenue
17 NCAC 07B .3910 — Returnable Containers
Pursuant to G.S. 105-164.13(23), when a person sells tangible personal property in returnable containers without charging for the use of the containers for a specified time but, at the expiration of the specified time, the containers enter a period of overdue detention and a penalty is charged to encourage the return of the containers, the charge is not subject to sales and use tax.
Source: official text