163.—Notwithstanding Part III F685[or section 293], permission shall not be required in respect of development required by a notice under section 154 or an order under section 160 F686[(disregarding development for which there is in fact permission under Part III F685[or section 293] or in respect of which a certificate has been issued by the Dublin Docklands Development Authority under section 25(7)(a)(ii) of the Dublin Docklands Development Authority Act 1997 or by the Custom House Docks Development Authority under section 12(6)(b) of the Urban Renewal Act 1986)].