Administrative Instructions under the Patent Cooperation Treaty

Section 615
Invitation to Pay Fees before Date on Which They Are Due

If the International Preliminary Examining Authority finds, before the date on which they are due, that the handling fee or the international preliminary examination fee are lacking in whole or in part, it may invite the applicant to pay the missing amounts within the time limit under Rule 57.3 or 58.1(b), as the case may be.