Commission.
Section 4
SEC. 4. Commission.— Foreign Affairs Officers may be commissioned as diplomatic or consular officers, or both, and all the official acts of such officers while serving under diplomatic or consular commissions shall be performed under their respective commissions as diplomatic or consular officers. Foreign Affairs Officers of Class I shall serve as Counselor or as First Secretary or Consul General or both; of Class II, as Second Secretary or Consul or both; of Classes III and IV, as Third Secretary or Vice Consul or both. When serving in the Department, they shall be assigned to positions of comparable importance.