President Salva Kiir has relieved his Office Chief protocol, Sebit Bullen Kamonde.
This was through a decree read on the state-own television SSBC Thursday evening.
However, Kiir assigned the long-serving chief protocol to the Ministry of Foreign Affairs and International cooperation.
The reason for the transfer is not clear.
In a separate decree, Kiir appointed Ambassador Ajiing Deng Ajiing as the acting chief protocol in his office.
