Khartoum could dishonour an agreement if Juba did not withdraw alleged support for rebel groups operating in Sudan, officials said. The demand came a day after Sudan's ruling National Congress Party (NCP), argued that agreeing on security was a deal breaker for the agreement. The 'Four Freedoms' agreement signed in Addis Ababa, Ethiopia, guarantees citizens of the two countries the right to own property, live, work and move between the two nations.