Section 609    Withdrawal by Applicant under Rules 90 bis. 1, 90bis. 2, or 90bis. 3

The International Preliminary Examining Authority shall promptly transmit to the International Bureau any notice from the applicant effecting withdrawal of the international application under Rule 90bis.1 (b), of a designation under Rule 90bis.2 (d), or of a priority claim under Rule 90bis.3 (c) which has been filed with it. The International Preliminary Examining Authority shall mark the notice with the date on which it was received.