At least one of the members of the Board of Directors of a Bank must be a citizen of the Republic of Azerbaijan.
Chapter II. Issuance of licenses and permits for banking activities [...]
Article 13. Additional requirements on issue of a license to a local subsidiary bank of the foreign bank and foreign bank holding company, local branches of a foreign bank and opening a representative office of a foreign bank. [...]
13.3. At least one of the members of Management Board in subsidiary banks of foreign banks and foreign bank holding companies, and one of the administrators in local branches of foreign banks shall be a citizen of the Republic of Azerbaijan. " (Law of the Republic of Azerbaijan "on Banks" dated January 16, 2004 No. 90 590-IIQ [google translated]) 
Law of the Republic of Azerbaijan "on Banks" dated January 16, 2004 No. 90 590-IIQ [google translated]
[<a href="http://www.e-qanun.az/framework/5825">Law</a>]