17 C.F.R. § 249.1
Form 1, for application for, and amendments to applications for, registration as a national securities exchange or exemption from registration pursuant to Section 5 of the Exchange Act
The form shall be used for application for, and amendments to applications for, registration as a national securities exchange or exemption from registration pursuant to Section 5 of the Act, (15 U.S.C. 78e).