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In most organizations there are both formal and informal information systems. Formal communication systems are the methods used to information necessary for conducting the business of the organization. Formal communications to rules and regulations prescribed by the profession or law (for example, formal reporting procedures for tracking injuries in the workplace). This is information that flows within the chain of command or within task responsibilities. The message may be procedures to provide regular progress reports to managers. It may be scheduled meetings to information on the status of a project. Human resources may arrange seminars to convey new policies and procedures. The formal communication system makes sure necessary information flows through the organization and that of this information is controlled. Not everyone in an organization has access to progress reports or attends project meetings. Formal communication systems ensure that information is available to those who need it and not to others.