(a) Powers of Commission
The Commission shall have authority from time to time to make, issue, amend, and rescind such rules and regulations and such orders as are necessary or appropriate to the exercise of the powers conferred upon the Commission elsewhere in this subchapter, including rules and regulations defining accounting, technical, and trade terms used in this subchapter, and prescribing the form or forms in which information required in registration statements, applications, and reports to the Commission shall be set forth. For the purposes of its rules or regulations the Commission may classify persons, securities, and other matters within its jurisdiction and prescribe different requirements for different classes of persons, securities, or matters.

(b) Filing of information and documents
The Commission, by such rules and regulations or order as it deems necessary or appropriate in the public interest or for the protection of investors, may authorize the filing of any information or documents required to be filed with the Commission under this subchapter, subchapter II of this chapter, the Securities Act of 1933 [15 U.S.C. 77a et seq.], the Securities Exchange Act of 1934 [15 U.S.C. 78a et seq.], or the Trust Indenture Act of 1939 [15 U.S.C. 77aaa et seq.], by incorporating by reference any information or documents theretofore or concurrently filed with the Commission under this subchapter or any of such Acts.

(c) Good faith conformance with rules, regulations, and orders
No provision of this subchapter imposing any liability shall apply to any act done or omitted in good faith in conformity with any rule, regulation, or order of the Commission, notwithstanding that such rule, regulation, or order may, after such act or omission, by amended or rescinded or be determined by judicial or other authority to be invalid for any reason.