17 C.F.R. § 230.437

An application to the Commission to dispense with any written consent of an expert pursuant to section 7 of the act shall be made by the registrant and shall be supported by an affidavit or affidavits establishing that the obtaining of such consent is impracticable or involves undue hardship on the registrant. Such application shall be filed and the consent of the Commission shall be obtained prior to the effective date of the registration statement.

[Reg. C, 12 FR 4074, June 24, 1947]