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.
Neb. Rev. Stat. § 57-513
Refilling of package or container; credit for unused liquid
Laws 1957, c. 240, § 6, p. 802.
Official source: Nebraska Legislature. Reproduced from public-domain Nebraska statutes; confirm against the official source for the current text. Not legal advice.