Notification of Authorized Employee Representatives. The Institute shall notify NAV CANADA in writing of the names and areas of jurisdiction of its employee representatives authorized to represent the Institute in the presentation of complaints and grievances at each level and shall promptly notify NAV CANADA in writing of changes in these names. NAV CANADA shall notify the Institute in writing of the position/titles and areas of jurisdiction of its representatives authorized to represent NAV CANADA with respect to the receipt and response of complaints and grievances at each level and shall promptly notify the Institute in writing of changes in these names. This information shall be communicated to employees by means of notices posted by NAV CANADA in places where such notices are most likely to come to the attention of the employees to whom the grievance procedure applies, or otherwise as determined by agreement between NAV CANADA and the Institute.