originating in and coming from the territories referred to in Article 51 shall, on importation into German customs territory, be exempt from all customs duty.
The French Government may fix each year, by decree communicated to the German Government, the nature and amount of the products which shall enjoy this exemption.
The amount of each product which may be thus sent annually into Germany shall not exceed the average of the amounts sent annually in the years 1911–1913.
Further, during the period of five years above mentioned, the German Government shall allow the free export from Germany and the free re-importation into Germany, exempt from all customs duties and other charges (including internal charges), of yarns, tissues, and other textile materials or textile products of any kind and in any condition, sent from Germany into the territories referred to in Article 51, to be subjected there to any finishing process, such as bleaching, dyeing, printing, mercerisation, gassing, twisting or dressing.
Article 69.
During a period of ten years from the coming into force of the present Treaty, central electric supply works situated in German territory and formerly furnishing electric power to the territories referred to in Article 51 or to any establishment the working of which passes permanently or temporarily from Germany to France, shall be required to continue such supply up to the amount of consumption corresponding to the undertakings and contracts current on November 11, 1918.
Such supply shall be furnished according to the contracts in force and at a rate which shall not be higher than that paid to the said works by German nationals.
Article 70.
It is understood that the French Government preserves its right to prohibit in the future in the territories referred to in Article 51 all new German participation:
(1) In the management or exploitation of the public domain and of public services, such as railways, navigable waterways, water works, gas works, electric power, etc.;
