The delegations were to meet Thursday after being directed by presidents Omar al-Bashir of Sudan and Salva Kiir of South Sudan to work within a strategic framework in discussions of unresolved issues, the Sudan Tribune reported.
Officials indicated Sudan would ask South Sudan to stop supporting the Sudan People's Liberation Movement-North and to expel supporters of the group as well as rebel groups in Darfur. Also, Khartoum objects to a map that would create a buffer zone on the common border, resulting in delays in security arrangements.
Officials said South Sudanese officials have expressed concern that Sudan may use the framework to avoid complying with U.N. resolution 2046, which, among other things, called for an end to the fighting between the two countries, a resumption of negotiations under the auspices of the African Union and provided a time frame to conclude the talks.
The U.N. Security Council's deadline to act in accordance with the resolution is early August.
The Tribune reported the African Union mediation team would conduct another summit soon to present a package of proposals the mediators intend to file with the U.N. Security Council Aug. 2.