Compliance. No use, development, structure, or sign shall hereafter be erected, moved, reconstructed, extended, enlarged, altered, or changed until the Plan Commission has reviewed and approved site plans and architectural plans for the site, structures, or signs for all commercial uses. The Plan Commission shall not approve any plans unless they find after viewing and study of the application that the use, site, structure, improvements, or sign, as planned, will not violate the intent and purposes of this Subsection E. Only after the Plan Commission Chairperson has signed the approved plan(s), signifying support of the Plan Commission, may appropriate permits be granted.