(4) Where it is discovered that the date given to the earlier application was incorrect, the following apply— (a) the registrar shall invite the applicant to provide the correct date; and (b) the registrar shall disregard the claim for priority unless the applicant provides the correct date within ninety days after the date of the invitation to provide the correct date and that correct date is within the period of priority provided under the Paris Convention. 17. Waiver of fees. (1) An application to the registrar to waive fees payable under the Act or regulations made under the Act shall be in Form 8. (2) The payment of any fees for which a waiver is sought shall be deferred pending the decision by the registrar. (3) The registrar shall communicate the decision to the applicant within fifteen days. (4) Any deferred fees that have not been waived by the registrar shall be paid within sixty days after the date of that communication. 18. Withdrawal of application. (1) A withdrawal of an application under section 27 of the Act shall be in Form 9. (2) Where there is more than one applicant, the application may only be withdrawn with the consent of all the applicants. 19. Filing date and examination of the form of an application. (1) An invitation by the registrar to furnish missing drawings or make corrections under section 28 (2) or (3) of the Act shall be made within fourteen days after the invitation is made. 218