Regulation 22—Filing Date.(1) When the Registrar accords a filing date, he shall promptly notify the applicant in writing.(2)  Notwithstanding section 18 (1) to (4) of the Law, a reference to another previously filed application for the same invention by the same applicant or his predecessor in title may, for the purposes of establishing the filing date of the application in accordance with section 18 (1) to (4), of the Law replace any of the following elements—(a)  the part which, on the face of it, appears to be a description of an invention,(b)  the part which, on the face of it, appears to be a claim or claims, referred to in section 18 (1) (b); and(c)  any drawings;but the replaced elements and a certified copy of the previously filed application, if not filed with the Registrar's office, shall be sent to the Registrar within three months from the date on which the application containing the reference to the previously filed application had been received by the Registrar. The filing date shall then be the date on which the application containing the reference to the previously filed application was received by the Registrar.(3)  Where the description and the claim or claims referred to in section 18 (1) of the Law and any text matter contained in the drawings are not in English, a translation into english shall be given to the Registrar within three months from the date on which the item requiring translation was received by the Registrar.  If the translation is received in time, the part and the text matter shall be considered as if they had been received on the date on which they were received in the original language.(4)  Any translation furnished in accordance with sub-regulation (3) may be corrected up to the time when the application is in order for the grant, in order to conform to the wording of those parts of the application filed in the original language.