17 CFR §230.432

Notwithstanding the provisions of any form for the registration of securities under the Act, any prospectus relating to securities to be offered in connection with a tender offer for, or a request or invitation for tenders of, securities subject to either § 240.13e-4 or section 14(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78n(d)) must include the information required by § 240.13e-4(d)(1) or § 240.14d-6(d)(1) of this chapter, as applicable, in all tender offers, requests or invitations that are published, sent or given to security holders.