White House Memo Freezing Federal Regulations

 "Subject to any exceptions the Director or Acting Director of the Office of Management and Budget (the "OMB Director") allows for emergency situations...no proposed or final regulations should be sent to the Office of the Federal Register (the "OFR") for publication unless and until it has been reviewed and approved by a department or agency head appointed or designated by the President after noon on January 20, 2009..."  You can review the memo here.