# 240.15Fb3-3 Cancellation and revocation of registration.(a) *Cancellation.* If the Commission finds that any person registered pursuant to § 240.15Fb2-1 is no longer in existence or has ceased to do business as a security-based swap dealer or major security-based swap participant, the Commission shall by order cancel the registration of such person.(b) *Revocation.* The Commission, by order, shall censure, place limitations on the activities, functions, or operations of, or revoke the registration of any security-based swap dealer or major security-based swap participant that has registered with the Commission if it makes a finding as specified in Section 15F(l)(2) of the Securities Exchange Act of 1934 (15 U.S.C. 78o-10(l)(2)).