Source: Temporary Appointment
A termination of appointment is a separation from service initiated by the Organization (see UN Staff Regulation 9.3 and Staff Rule 9.6 for the purpose of: a) ending the continuing or permanent appointment of a staff member prior to the mandatory age of separation; or b) ending the temporary appointment or fixed-term appointment of a staff member prior to the date of expiration of the appointment.
Source: Termination of Appointment
Source: Time off for Breastfeeding
Source: Career Transitions