Md. Code, Criminal Law § 11–105

(a) A person may not knowingly display for advertising purposes a picture, photograph, drawing, sculpture, or other visual representation or image of an individual or portion of a human body that:

(1) depicts sadomasochistic abuse;

(2) depicts sexual conduct as defined by § 11–101(d)(1), (2), or (3) of this subtitle;

(3) depicts sexual excitement; or

(4) contains a verbal description or narrative account of sadomasochistic abuse, sexual conduct, or sexual excitement.

(b) A person may not knowingly allow a display described in subsection (a) of this section on premises that the person owns, rents, or manages.

(c) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 6 months or a fine not exceeding $1,000 or both.