17 CFR § 230.467 - Effectiveness of registration statements and post-effective amendments thereto made on Forms F–7, F–8, F–10 and F–80.
(a) A registration statement on Form F–7, Form F–8 or Form F–80 (§ 239.37, § 239.38 or § 239.41 of this chapter), and any amendment thereto, shall become effective upon filing with the Commission. A registration statement on Form F–10 (§ 239.40 of this chapter), and any amendment thereto, relating to an offering being made contemporaneously in the United States and Canada shall become effective upon filing with the Commission, unless designated as preliminary material on the Form.
(b) Where no contemporaneous offering is being made in Canada, a registrant filing on Form F–10 may designate on the facing page of the registration statement, or any amendment thereto, a date and time for such filing to become effective that is not earlier than seven calendar days after the date of filing with the Commission, and such registration statement or amendment shall become effective in accordance with such designation; provided, however, That such registration statement or amendment may become effective prior to seven calendar days after the date of filing with the Commission if the securities regulatory authority in the review jurisdiction issues a receipt or notification of clearance with respect thereto before such time elapses, in which case the registration statement or amendment shall become effective by order of the Commission as soon as practicable after receipt of written notification by the Commission from the registrant or the applicable Canadian securities regulatory authority of the issuance of such receipt or notification of clearance.