Maryland Code, Business Occupations and Professions § 3-501

(a) Before a licensed architect issues to a client or submits to a public authority any final drawing, plan, specification, report, or other document required for the issuance of a building permit, the licensed architect who prepared or approved the document shall sign, seal, and date the document.

(b) Subject to exceptions stated and rights granted under § 3-103 of this title, a public authority may not accept any architectural drawing, plan, specification, report, or other document, unless the document is endorsed as required under subsection (a) of this section.