Maryland Business Occupations and Professions Section 14-403

      (a)      Before a professional engineer issues to a client or submits to a public authority any plan, specification, or report, the professional engineer who prepared or approved the document shall endorse on the document the professional engineer's:

            (1)      original signature and date of signature; and

            (2)      seal or a facsimile of the seal.

      (b)      A public authority may not accept any engineering plan, specification, or report unless the document is endorsed as required under subsection (a) of this section.