Regulations under the PCT

Rule 77
Faculty under Article 39(1)(b)

77.1       Exercise of Faculty

(a)  Any Contracting State allowing a time limit expiring later than the time limit provided for in Article 39(1)(a) shall notify the International Bureau of the time limit so fixed.

(b)  Any notification received by the International Bureau under paragraph (a) shall be promptly published by the International Bureau in the Gazette.

(c)  Notifications concerning the shortening of the previously fixed time limit shall be effective in relation to demands submitted after the expiration of three months computed from the date on which the notification was published by the International Bureau.

(d)  Notifications concerning the lengthening of the previously fixed time limit shall become effective upon publication by the International Bureau in the Gazette in respect of demands pending at the time or submitted after the date of such publication, or, if the Contracting State effecting the notification fixes some later date, as from the latter date.