This Study was conducted in Yei River County, Central Equatoria State the Republic of South Sudan from July-December/2012 under the topic: Examining the role of Local Government County Legislative Council in promoting service delivery. The Legislative Council in Yei was established since 2007 inaccordance with the provisions of the Transition Constitution of the Republic of South Sudan, 2011:166, LG Act, 2009:8-29 and Governors’ Decree dated 25/August/2007 with the mandate to enact laws and policies and supervise the Executive to implement its decisions. The study investigated into why there was under performance of Legislative Council in promoting service delivery in Yei River County (YRC) and how can service delivery be improved in YRC. The findings revealed that, the capacity of the Council is low in making appropriate decisions and supervising the Executive to implement its decisions, it lacks the necessary working requirements to facilitate its duties, some of its directives are not implemented by the Executive and negative attitudes towards the work of the Council by some members of the Executive. Despite the difficulties encountered, the Council was able to enact 31 laws, conducted some joint consultative meetings on County projects and the study recommended that, the relevant institutions of Local Government to review the irregularities in the Local Government Act of 2009 to regulate the duties of the Council and to guide the recruitment of the future Councillors, training of the Councillors to improve performance, improve the working conditions of the Council, conduct public awareness on the role of the Council and promotion of exchange programs for further learning purposes. The significance of this study is that, the topic was good according to the participants, the recommendations of the study may be adopted by the Local Government Authorities to address the identified gaps and challenges facing the Council not only in Yei River County but also in other parts of the Country and finally, the report may be used by the University of Fort Hare for further Academic purposes and/or other interested individuals/institutions or organizations of the same or similar objectives.