Case F-42/14: Judgment of the Civil Service Tribunal (2nd Chamber) of 19 November 2014 — EH v Commission (Civil service — Officials — Remuneration — Family allowances — Rule against cumulation of national allowances and allowances under the Staff Regulations — Official’s spouse in receipt of national family allowances — No declaration by the official to his administration of a change in his personal circumstances — Disciplinary proceedings — Disciplinary penalty — Demotion in step — Proportionality — Statement of reasons — Mitigating circumstances — Failure by the administration to exercise due care and attention)