Kiir’s letter was brought to the Sudanese capital by his adviser on Security Affairs, Tut Kew Gatluak, the Sudan Tribune news outlet reported.
"Head of the Sudanese military council, Abdel Fattah Burhan, in his turn, briefed the South Sudanese delegation on the situation in Sudan and on his plans to transfer the leadership to the civilian authorities," the South Sudanese presidency said in a statement, as quoted by the Sudan Tribune.
The Sudanese transition military council was set up on April 11 after the military toppled Bashir following months of anti-government protests. The council plans to hold the next presidential elections in two years while protests in Sudan continue with demonstrators calling for an immediate transition of power to a democratic civilian-led government.
READ MORE: UNSC Extends Peacekeeping Mission in South Sudan — France Deputy Envoy
South Sudan broke away from Sudan after a referendum in 2011 following years of fighting for independence.