No sign shall be constructed, installed, structurally altered, enlarged or relocated except in conformity with the provisions contained herein, and only after a sign permit issued by the City of Hayden has been secured, if so required. The changing or maintenance of movable parts or components of an approved sign, or permitted nonconforming sign, designed for such changes, or the changing of sign copy, business name, lettering, sign faces, colors, display, graphic matter, and/or the content of any sign copy shall not be deemed a structural alteration. (Ord. 619, 4-13-2021)