The presidents of the two Sudans agreed to temporary relations with Chad . It is a large oil - rich region claimed by both countries . In addition to a deal to restart oil exports from South Sudan , the two presidents agreed on a demilitarized zone and principles of border demarcation . As part of the agreement , there will be a customs service and an administrative service .
The presidents of the two Sudans agreed to temporary relations with Chad . It is a large oil - rich region claimed by both countries . As part of the agreement , there will be a customs service and an administrative service .