Article 28

An official may be appointed only on condition that:

1. (a)

   he is a national of one of the Member States of the F1Union, unless an exception is authorized by the appointing authority, and enjoys his full rights as a citizen;

2. (b)

   he has fulfilled any obligations imposed on him by the laws concerning military service;

3. (c)

   he produces the appropriate character references as to his suitability for the performance of his duties;

4. (d)

   he has, subject to Article 29 (2), passed a competition based on either qualifications or tests, or both qualifications and tests, as provided in Annex III;

5. (e)

   he is physically fit to perform his duties; and

6. (f)

   he produces evidence of a thorough knowledge of one of the languages of the Union and of a satisfactory knowledge of another language of the Union to the extent necessary for the performance of his duties.