last two numbers of the year in which the papers were received, slant, and a five-digit number allotted in sequential order corresponding to the order in which the applications are received; and (b) confirm that the application fulfills the requirements of section 19(1) of the Act. (2) Where the application does not fulfill the requirements of section 19(1) of the Act, the registrar shall in writing, specifying the corrections required to be made, invite the applicant to file the corrected application within two months from the date of the invitation together with the payment of the prescribed fee. (3) Where any corrections made under subregulation (2) of this regulation or any other documents relating to the application are received on different dates, the registrar shall mark the dates of their receipt in the appropriate place on the request form. 25. Notification of filing date. (1) After according a filing date which shall be the date of receipt of the application as prescribed in section 19 of the Act, the registrar shall, in writing, notify the applicant accordingly. (2) Where the application is treated as if it had not been filed under section 19(2) of the Act, the registrar shall, in writing, specifying the reasons for doing so, notify the applicant accordingly. 26. Withdrawal of application. The applicant may withdraw the application under section 18 of the Act by submitting to the registrar a written declaration consenting to the withdrawal. 27. Examination as to formal requirements. (1) After according a filing date, the registrar shall examine the application to ascertain whether it complies with the requirements prescribed under section 13 of the Act and the regulations pertaining to them. (2) In addition, the requirements of section 14 of the Act and regulations 5, 6, 7, 8, 9, 13(4) and 16 of these Regulations shall, to the extent