As used in this section, the term “illegal act” means an act or omission that violates any law, or any rule or regulation having the force of law. As used in this section, the term “issuer” means an issuer (as defined in section
78c of this title), the securities of which are registered under section
78l of this title, or that is required to file reports pursuant to section
78o
(d) of this title, or that files or has filed a registration statement that has not yet become effective under the Securities Act of 1933 (
15 U.S.C.
77a et seq.), and that it has not withdrawn.