Md. Code, Public Safety § 9–606

(a) A person may not purposely:

(1) refuse to release information that a fire investigator requests under § 9-602 of this subtitle;

(2) refuse to report a fire loss to a fire investigator under §§ 9-602 and 9-603 of this subtitle;

(3) refuse to provide a fire investigator with relevant information required to be provided under §§ 9-602 and 9-603 of this subtitle; or

(4) fail to keep information confidential as required under § 9-604 of this subtitle.

(b) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 10 days or a fine not exceeding $1,000 or both.