Regulation 23—Examinations as to Form and Unity of Invention.(1) The time limit for remedying any defects as provided for in section 18 (7) of the Law shall be three months from the date of the invitation to do so.  The correction required under section 18 (7) of the Law shall be filed, together with the prescribed fee, on Form No. 5 in the second Schedule.(2)  If the Registrar rejects the application under section 18 (7) of the Law he shall notify the applicant on Form No. 6 in the Second Schedule stating his reasons.(3) Where the Registrar is satisfied that the application complies with the requirements of section 18 (6) of the Law he shall notify the applicant of that fact on Form No. 7 in the Second Schedule.