Work obligations, taxes, royalties not changed.
Article 102
ART. 102. Work obligations, taxes, royalties not changed.—Work obligations, special taxes and royalties which are fixed by the provisions of this Act or by concession for any of the kinds of concessions to which this Act relates, are considered as inherent on such concessions after they are granted, and shall not be increased during the life of the concession to which they apply; nor shall any other special taxes or levies be applied to such concessions, nor shall concessionaires under this Act be subject to any provincial, municipal, or other local taxes or levies; nor shall any sales tax be charged on any petroleum produced from the concession or portion thereof, manufactured by the concessionaire and used in the working of his concession. All such concessionaires, however, shall be subject to such taxes as are of general application, in addition to taxes and other levies specifically provided in this Act.