20.5

a)   Where, in determining whether the papers purporting to be an international application fulfill the requirements of Article 11(1), the receiving Office finds that a part of the description, claims or drawings is or appears to be missing, including the case where all of the drawings are or appear to be missing but not including the case where an entire element referred to in Article 11(1)(iii)d) or e) is or appears to be missing, it shall promptly invite the applicant, at the applicant’s option:

(i)   to complete the purported international application by furnishing the missing part; or

(ii)  to confirm, in accordance with Rule 20.6a), that the part was incorporated by reference under Rule 4.18;

 and to make observations, if any, within the applicable time limit under Rule 20.7. If that time limit expires after the expiration of 12 months from the filing date of any application whose priority is claimed, the receiving Office shall call that circumstance to the attention of the applicant.

b)   Where, following an invitation under paragraph a) or otherwise, the applicant furnishes to the receiving Office, on or before the date on which all of the requirements of Article 11(1) are fulfilled but within the applicable time limit under Rule 20.7, a missing part referred to in paragraph a) so as to complete the international application, that part shall be included in the application and the receiving Office shall accord as the international filing date the date on which all of the requirements of Article 11(1) are fulfilled and proceed as provided in Rule 20.2b) and c).

c)   Where, following an invitation under paragraph a) or otherwise, the applicant furnishes to the receiving Office, after the date on which all of the requirements of Article 11(1) were fulfilled but within the applicable time limit under Rule 20.7, a missing part referred to in paragraph a) so as to complete the international application, that part shall be included in the application, and the receiving Office shall correct the international filing date to the date on which the receiving Office received that part, notify the applicant accordingly and proceed as provided for in the Administrative Instructions.

d)   Where, following an invitation under paragraph a) or otherwise, a part referred to in paragraph a) is, under Rule 20.6b), considered to have been contained in the purported international application on the date on which one or more elements referred to in Article 11(1)(iii) were first received by the receiving Office, the receiving Office shall accord as the international filing date the date on which all of the requirements of Article 11(1) are fulfilled and proceed as provided in Rule 20.2b) and c).

e)   Where the international filing date has been corrected under paragraph c), the applicant may, in a notice submitted to the receiving Office within one month from the date of the notification under paragraph c), request that the missing part concerned be disregarded, in which case the missing part shall be considered not to have been furnished and the correction of the international filing date under that paragraph shall be considered not to have been made, and the receiving Office shall proceed as provided for in the Administrative Instructions.