A. All new mobile home parks and travel trailer parks planned for development after the date of passage of this Chapter shall conform to the regulations and standards established in Section 12-426 et seq., of this Chapter.
B. Those mobile home and travel trailer parks already developed before the date of passage of this Chapter shall not be governed by the regulations and standards established in Section 12-426 et seq., of this Chapter unless specifically stated herein; provided, however, that no existing mobile home or travel trailer park shall be permitted to expand or have placed a greater number of mobile homes or travel trailers within its existing boundaries unless these additional units conform to all of the regulations and standards of this Section; and provided further that any existing mobile home or travel trailer park shall not be expanded beyond its existing boundaries unless the new area developed conforms to all the regulations and standards of this Chapter. (1983 Code)