Maryland Statutes
Subtitle 6 - Liquefied Petroleum Gas Containers
Section 11-603 - Unlawful Use of Containers

Unless he is authorized by the owner in writing, a person other than the owner of a container may not:
        (1)    Fill or refill a marked container with liquefied petroleum gas or any other gas or compound;
        (2)    Buy, sell, offer for sale, give, take, loan, deliver, permit to be delivered, or otherwise use, dispose of, or traffic in a marked container; or
        (3)    Deface, erase, obliterate, cover up, or otherwise remove or conceal any mark on a container.