on the recommendation of the Advisory Committee on Appointment and Promotion of Professional Staff in the Institution, and who is involved in the execution of the duties assigned to the ECOWAS institutions.” 149. And its Article 9, while classifying Community personnel, places the professional staff in group 1 and among those who are recruited at the International level. 150. This category “professional staff” may be recruited for permanent or temporary position, that is, by fixed or indefinite duration contract, as provided in Articles 12 to 15 of the Regulation. 151. From the documents in the casefile, it is clear that the Applicants were all recruited under fixed-term contracts and held the professional category of level P3 to P4 (See Exhibits 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10) and that the respective contractual clauses and the ECOWAS Staff Regulations are therefore applicable to them. 152. Article 7 of the PRINCIPES REGISSANT LES CONDITIONS ET SERVICE DU PERSONNEL: with epigraph “Cessation de service” in its paragraph (a) states that: “La cessation de service peut resulter (…) de l´a expiration de la durée d´un poste conformément aux termes convenus ( …)” 153. Chapter VI of the Staff Regulations, in its articles 30 to 37, regulates the “REMUNERATIONS AND BENEFITS. 154. And, specifically, Article 35 concerns the installation and resettlement allowances (paragraphs a) and b) and separation allowances (paragraphs c) and d). 28