Case F-113/05: Judgment of the Civil Service Tribunal (Second Chamber) of 28 October 2010 — Kay v Commission (Staff cases — Officials — Appointment — Officials advancing to a higher function group by open competition — Candidates placed on a reserve list prior to the entry into force of the new Staff Regulations — Transitional rules governing classification in grade at the time of recruitment — Classification in grade pursuant to the new, less favourable rules — Article 2, Article 5(2) and Article 12(3) of Annex XIII to the Staff Regulations)