Md. Code, Insurance § 11–230

(a) An insurer or officer, insurance producer, or representative of an insurer may not knowingly issue or deliver or knowingly allow the issuance or delivery of a policy or endorsement, certificate, or addition to the policy, except in accordance with the filings that are in effect for the insurer as provided in this subtitle.

(b) An insurer may pay or allow a commission to a licensed insurance producer of the insurer as compensation for procuring business.