Rule 5.1 Annual leave (a) A staff member who holds a temporary appointment shall accrue annual leave while in full pay status at the rate of one and a half days per month, subject to the provisions of staff rule 5.3 (e) unless otherwise provided by the Secretary-General. No leave shall accrue while a staff member is receiving compensation equivalent to salary and allowances under staff rule 6.4. (b) A staff member who holds a temporary appointment may accumulate and carry forward up to eighteen working days of annual leave by 1 April of any year or such other date as the Secretary- General may set for a duty station, subject to staff rule 4.12 (b). (c) A staff member who holds a fixed-term or a continuing appointment shall accrue annual leave while in full pay status at the rate of two and a half days per month, subject to the provisions of staff rule 5.3 (c). No leave shall accrue while a staff member is receiving compensation equivalent to salary and allowances under staff rule 6.4. (d) A staff member who holds a fixed-term or a continuing appointment may accumulate and carry forward up to sixty working days of annual leave by 1 April of any year or such other date as the Secretary-General may set for a duty station. (e) (i) Annual leave may be taken in units of days and half-days; (ii) Leave may be taken only when authorized. If a staff member is absent from work without authorization, payment of salary and allowances shall cease for the period of unauthorized absence. However, if, in the opinion of the Secretary General, the absence was caused by reasons beyond the staff member’s control and the staff member has accrued annual leave, the absence will be charged to that leave; (iii) All arrangements as to leave shall be subject to the exigencies of service, which may require that leave be taken by a staff member during a period designated by the Secretary General. The personal circumstances and preferences of the individual staff member shall, as far as possible, be considered. (f) A staff member may, in exceptional circumstances, be granted advance annual leave up to a maximum of two weeks, provided that his or her service is expected to continue for a period beyond that necessary to accrue the leave so advanced.