VI. ABSENCE ON DUTY (OFFICIAL LEAVE) 1. Academic and equivalent administrative staff may apply for "absence on duty" up to three weeks in any academic year for the purpose of participating in academic or professional activities. This is subject to the condition that the teaching/administrative duties of the staff concerned will not be adversely affected and that the classes missed will be adequately covered by special arrangement. 2. Absence on duty up to one week in any one year may be approved by the Head of Department/Office. The Dean/Vice-President concerned has to be informed. 3. Absence on duty totalling more than one week and up to three weeks in any one year may be approved by the Dean (for academic staff) / Vice-President (for administrative staff). 4. Absence on duty totalling more than three weeks in any one year may be approved by the Academic Vice-President (for academic staff) and by the Vice-President (Administration) & Secretary (for administrative staff). Such cases are regarded as exceptional and require special justification. .