UNAT recalled that an employment contract of a staff member subject to the internal laws of the Organisation is not the same as a contract between private parties and that the issuance of a letter of appointment by the Administration cannot be regarded as a mere formality. The issue before UNAT was whether the staff member, who had received an offer of employment, but not a letter of appointment, from the Organisation, should be regarded as a staff member and thus should have access to the internal justice system to contest the legality of the Administration’s withdrawal of the offer of...