Md. Code, Agriculture § 10–1806

It shall be a violation of this subtitle for any person to knowingly:

(1) Sell or offer for sale waste kitchen grease to an unregistered person for transport in violation of this subtitle;

(2) Remove waste kitchen grease from a container owned by another person;

(3) Steal or damage a waste kitchen grease container owned by another person, or place a label on a container owned by another person to assert ownership over the container; or

(4) Take possession of waste kitchen grease that was stolen or transported in violation of this subtitle.