The border between Chad and Libya is defined by two straight lines: (a) The first starts at Tummo and continues to the intersection of the Tropic of Cancer with the meridian of longitude 15 degrees east of Greenwich. It affects Chad only north-east of its intersection with the border of the Niger: (h) The second starts from the point of intersection of the Tropic of Cancer with the meridian of longitude 16 degrees east of Greenwich and continues to the point of intersection of the meridian of longitude 24 degrees east with the parallel of 19 degrees 30 minutes north latitude. It is at this last point that the three borders of Chad. Libya and the Sudan meet. Lastly. the exchange of letters ends with the fol­ lowing two paragraphs: "The French Government is prepared to appoint experts who could serve as members of a Franco­ Libyan joint commission to demarcate the border wherever that has not yet been done and where either Government may deem it necessary . .. In case of disagreement during the demarcation operations. the two Parties shall each appoint a neutral arbitrator and. in case of disagreement be­ tween the arbitrators. the latter shall appoint a simi­ larly neutral umpire. who shall settle the dispute." To sum up. the Treaty of 10 August 1955. concluded between France and sovereign Libya. calls for the following observations: I. It irrefutably establishes the non-existence of the Treaty of Rome (the Laval-Mussolini Treaty) of 7 January 1935: 2. It confirms the definition of the borders as set out by the Additional Declaration of 21 March 1899, the Barrere-Prinetti exchange of letters of I No­ vember 1902 and the Franco-British Convention of 8 September 1919. 3. · During the debates on ratification of the Treaty 
**Analysis**
The text appears to be discussing a treaty between France and Libya regarding the border between Chad and Libya. The text provides specific details about the border's definition, mentioning geographical coordinates and intersections. It also mentions the appointment of experts and arbitrators to demarcate the border. The tone is formal and technical, suggesting a focus on international relations and territorial disputes.

**Category**
International relations