On the north-west and north : by a line following the northern administrative boundary of the Kreis of Merzig from the point where it leaves the French frontier to the point where it meets the administrative boundary separating the commune of Saarholzbach from the commune of Britten; following this communal boundary southwards and reaching the administrative boundary of the canton of Merzig so as to include in the territory of the Saar Basin the canton of Mettlaeh, with the exception of the commune of Britten; following successively the northern administrative boundaries of the cantons of Merzig and Haustadt, which are incorporated in the aforesaid Saar Basin, then successively the administrative boundaries separating the Kreise of Saarelouis, Ottweiler and Saint-Wendel from the Kreise of Merzig, Trèves (Trier) and the principality of Birkenfeld as far as a point situated about 500 metres north of the village of Furschweiler (viz., the highest point of the Metzelberg).
On the north-east and east from the last point defined above to a point about 312 kilometres east-north-east of Saint-Wendel :
a line to be fixed on the ground passing east of Furschweiler, west of Koschberg, east of points 418, 329 (south of Roschberg), west of Leitersweiler, northeast of point 464, and following the line of the crest southwards to its junction with the administrative boundary of the Kreis of Kusel;
thence in a southerly direction the boundary of the Kreis of Kusel, then the boundary of the Kreis of Homburg towards the south-south-east to a point situated about 1,000 metres west of Dunzweiler;
thence to a point about 1 kilometre south of Hornbach:
a line to be fixed on the ground passing through point 424 (about 1000 metres south-east of Dunzweiler), point 363 (Fuchs-Berg), point 322 (south-west of Waldmohr), then east of Jägersburg and Erbach, then encircling Homburg, passing through the points 361 (about 212 kilometres, north-east by east of that town), 342 (about 2 kilometres south-east of that town), 347 (Schreiners-Berg), 356, 350 (about 112 kilometres south-east of Schwarzenbach), then passing east of Einöd, south-east of points 322 and 333, about 2 kilometres east of Webenheim, about 2 kilometres east of Mimbach, passing east of the plateau which is traversed by the road from Mimbach to Böckweiler (so as to include this road in the territory of the Saar Basin), passing immediately north of the junction of the roads from Böckweiler and Altheim situated about 2 kilometres north of Altheim, then passing south of Ringweilerhof and north of point 322, rejoining the frontier of France at the angle which it makes about 1 kilometre south of Hornbach (see Map No. 2 scale 1/100,000 annexed to the present Treaty).
A Commission composed of five members, one appointed by France, one by Germany, and three by the Council of the League of Nations, which will select nationals of other Powers, will be constituted within fifteen days from the coming into force of the present Treaty, to trace on the spot the frontier line described above.
In those parts of the preceding line which do not coincide with administrative boundaries, the Commission will endeavour to keep to the line indicated, while taking into consideration, so far as is possible, local economic interests and existing communal boundaries.
The decisions of this Commission will be taken by a majority, and will be binding on the parties concerned.
Article 49.
Germany renounces in favour of the League of Nations, in the capacity of trustee, the government of the territory defined above.
At the end of fifteen years from the coming into force of the present Treaty the inhabitants of the said territory shall be called upon to indicate the sovereignty under which they desire to be placed.
