On January 18th, NYSE Regulation advised that, effective January 19, 2011, access by Designated Market Maker unit Floor personnel to the Global Trade Monitor and Management Information System Report systems will be disabled until further notice. In addition, until further notice NYSE and NYSE Amex member organizations operating a DMM unit, and all of their employees and associated persons, are prohibited from accessing the "page-of-book" functionality within the Display Book for any purpose. Failure to comply with this prohibition may result in disciplinary action. DMM member organizations should have supervisory procedures to assure compliance with this prohibition. NYSE Regulation Information Memo 11-03.