(a) Where, in accordance with Rule 90.4(d), a receiving Office waives the requirement under Rule 90.4(b) that a separate power of attorney be submitted to it, the receiving Office shall notify the International Bureau accordingly.
(b) Where, in accordance with Rule 90.5(c), a receiving Office waives the requirement under Rule 90.5(a)(ii) that a copy of a general power of attorney be attached to the request or any separate notice, the receiving Office shall notify the International Bureau accordingly.
(c) A receiving Office may require a separate power of attorney, or a copy of a general power of attorney, in particular instances even if the receiving Office has waived the requirement in general.
(d) A receiving Office which has notified the International Bureau under paragraph (a) or (b) shall notify the International Bureau of any change to the information notified under those paragraphs.