The chairs of the ISA99 committee on Industrial Automation and Control Systems Security have completed a draft copy of the following document and is releasing it for review and approval by the voting members of the committee. The title of the standard is "ISA-62443.03.03 (99.03.03): Security for Industrial Automation and Control Systems: System Security Requirements and Security Assurance Levels". Voting members of the committee are to submit their ballots by October 27, 2011.