90bis3bis.

a) The applicant may withdraw a supplementary search request at any time prior to the date of transmittal to the applicant and to the International Bureau, under Rule 45bis.8(a), of the supplementary international search report or the declaration that no such report will be established.
b) Withdrawal shall be effective on receipt, within the time limit under paragraph (a), of a notice addressed by the applicant, at his option, to the Authority specified for supplementary search or to the International Bureau, provided that, where the notice does not reach the Authority specified for supplementary search in sufficient time to prevent the transmittal of the report or declaration referred to in paragraph (a), the communication of that report or declaration under Article 20(1), as applicable by virtue of Rule 45bis.8(b), shall nevertheless be effected.