(3)The Municipality shall, as regards private cart-stands already lawfully established and may, at its discretion, as regards new private cart-stands, grant the licence applied for, subject to such regulations as to supervision and inspection and to such conditions as to conservancy as it may think proper, or it may, for reasons to be recorded in writing, refuse to grant any such licence for any new private cart-stand. The Municipality may, however, at any time modify the conditions of a licence to take effect from any specified date or suspend or cancel any licence granted under this section for breach of the conditions thereof.