The four newly appointed commissioners have been sworn in on Tuesday at Tonj State headquarters.
The commissioners include Sefferino Philiph of Tonj, Victor Bol of Luanyjang Center and Jacob Bol of Pagol County, Don Bosco Radio Reports.
State Governor, Akech Tong Aleu advises the new leaders to put security as their first priority.
He outlines security and administrative issues which need more attention.
Governor Tong advises the commissioners to deliver services to the people.
He made the remarks during the swearing in ceremony of the four county commissioners in Tong State head-quarters.