19.—(1) Notwithstanding rules 9 and 17 of these rules, for the period of three months beginning with the day on which this Part comes into force, Forms AN1, AP1, MH1, MH2, MH3 and UN1 as originally prescribed under the principal rules may be used respectively in place of Forms AN1, AP1, HR1, HR2, HR3 and UN1 as prescribed by these rules, unless in the case of Form MH1 the application is in respect of rights arising under a civil partnership.
(2) Where Form MH3 is used in accordance with paragraph (1), the references in panel 9 to a matrimonial home rights notice shall be interpreted as references to a home rights notice.