Md. Code, Criminal Law § 6–306

(a) A person may not remove, deface, or obliterate a manufacturer’s serial number that is punched on or affixed by plate to a manufactured good with the intent to prevent tracing or identifying that good.

(b) Except as provided in § 14-107(m) of the Transportation Article, a person may not knowingly keep or offer for sale a manufactured good from which the manufacturer’s serial number has been removed, defaced, or obliterated in violation of subsection (a) of this section.

(c) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 18 months or a fine not exceeding $500 or both for each violation.