When liquefied petroleum gas is sold by the package or container, either by a refilling of a container or an exchange of containers, the vendor shall give the purchaser full credit for the unused liquid remaining in a container being exchanged or refilled.
Refilling of package or container; credit for unused liquid.
Neb. Rev. Stat. § 57-513 — under MINERALS, OIL, AND GAS.
Neb. Rev. Stat. § 57-513