SEC: A Brief History of Regulation (via Investopedia)
FROM SEC.GOV
CLICK ON "REGULATION" TAB
(Regulation Page pictured below)
The U.S. Securities and Exchange Commission's webpage provides links to releases concerning SEC rulemaking activity, to announcements concerning SRO rulemaking, PCAOB rulemaking, instructions for Exchange Act Exemptive Applications, other SEC notices, and public petitions for rulemaking that have been submitted to the SEC.
Some of the types of regulatory actions that can be found on the SEC's website include the following:
The current Unified Agenda of Federal Regulatory and Deregulatory Actions can be found at www.reginfo.gov.