All recent concessions for the exploitation of oil properties contain a provision stating that the concession will be declared null if any of the rights are transferred to any foreign government. The provisions and the intent of a series of presidential decrees issued on February 19, 1918, July 8, 1918, July 31, 1918, and August 1, 1918, are to nationalize all petroleum lands and to permit them to be worked only by Mexican citizens or by companies that agree to consider themselves Mexican and further agree not to invoke the protection of their governments. A bill was presented in December, 1918, to carry out Article 27 of the new constitution, but thus far no action has been taken in the matter. The decrees and legislation growing out of Article 27 have been protested by the chief petroleum companies operating in Mexico and by their respective governments. Commercial control of the petroleum resources of the _Dutch East Indies_ is in the hands of the Royal Dutch-Shell Syndicate and is essentially absolute by reason of the restrictions contained in the Netherlands East India Mining Act and subsequent supplements on foreign acquisition of mining rights in the East Indian Archipelago. Actual control is in the hands of the Bataafsche Petroleum Maatschappij, which has a capital of $56,000,000 divided into five shares, three of which are owned by the Royal Dutch Petroleum Co., and two by the Shell Transport Trading Co. (British). Purely British interests control an inconsequential production of petroleum in British North Borneo and in Sarawak. Prospecting licenses and concessions are granted only to Dutch subjects and to Dutch companies. It is officially stated that the object of these restrictions is not to exclude foreign capital; this is precisely their effect, and on account of the economic monopoly which the Royal Dutch-Shell now has of the petroleum industry of the Dutch East Indies, it would be very difficult for any new enterprise to gain a foothold. Commercial control of the petroleum resources of _India_ is exercised by the Burma Oil Co. through its dominance of production, refineries, and pipe-line facilities, and by reason of agreements as to marketing with its principal competitor, the British Burma Petroleum Co., both controlled by British capital. The Burma Oil Co. is allied with, if not directly controlled by, a group of British financiers, one or more of whom is interested in companies in Trinidad and in Persia.