They CANNOT, it is that simple, the CFR doesn't give them the authority to do so. They must comply with the CFR in regards to a DUE PROCESS.
Why is it that one cannot take the rules and laws established for shareholder protection for what they are? The regulators lack the authority to REVOKE or permentantly HALT a security without a ruling in their favor. It requires a court to take away shareholder rights.
News 
Market Data 
Discover 
