17 C.F.R. § 260.7a-9
(a) An amendment in the following form filed with an application for qualification, or as an amendment to such an application which has not become effective, shall be deemed to be filed on such date or dates as may be necessary to delay the effective date of such application for the period specified in such amendment:
The obligor hereby amends this application for qualification on such date or dates as may be necessary to delay its effectiveness until (i) the 20th day after the filing of a further amendment which specifically states that it shall supersede this amendment, or (ii) such date as the Commission, acting pursuant to section 307(c) of the Act, may determine upon the written request of the obligor.
[30 FR 12387, Sept. 29, 1965]