Md. Code, Land Use § 8-302

(a) A person shall file an application with the commission before constructing, reconstructing, altering, moving, or demolishing a site or structure located within a locally designated district if any exterior changes are involved that would affect the historic, archaeological, or architectural significance of the site or structure, any portion of which is visible or intended to be visible from a public way. (b) (1) An application filed under subsection (a) of this section shall be considered and approved or rejected by the commission. (2) The commission may reject an application based only on the considerations listed in § 8–303(a) of this subtitle. (c) An applicant may not resubmit an application that is identical to a rejected application for 1 year after the rejection. (d) A local jurisdiction may not grant a permit for a change to a locally designated site or structure, or to a site or structure located in a locally designated district, until the commission has acted on the application in accordance with § 8–303(a) of this subtitle.