(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.
Maryland Legal Code