(a) Where any indication referred to in Rule 4.11, or any correction thereof under Rule 26quater.1, is submitted to the International Bureau within the time limit under Rule 26quater.1, the International Bureau shall enter the correction or addition in the request, draw a line through, while still leaving legible, any indication deleted as a result of the correction, and enter, in the margin, the letters “IB”.
(b) The International Bureau shall promptly notify the applicant of any indication corrected or added under Rule 26quater.1.
(c) Where any indication referred to in Rule 4.11, or any correction thereof under Rule 26quater.1, is submitted to the International Bureau after the expiration of the time limit under Rule 26quater.1, the International Bureau shall notify the applicant accordingly and inform the applicant that such an indication or correction should be submitted directly to the designated Office or Offices concerned.