Here are some selections (Chapters 4 – 6) from the final act of the Berlin Conference signed on 26 February 1885. For the entire document, find it here in English and French. For both of these versions, we thank the work of the South African History Online.
ACT OF NAVIGATION FOR THE KONGO
The navigation of the Kongo, without excepting any of its branches or outlets, is, and shall remain, free for the merchant ships of all nations equally . . . the subjects and flags of all nations shall in all respects be treated on a footing of perfect equality . . . no exclusive privilege of navigation will be conceded to Companies, Corporations, or private persons whatsoever . . .
ACT OF NAVIGATION FOR THE NIGER
The navigation of the (River) Niger, without excepting any of its branches and outlets, is and shall remain entirely free for the merchant ships of all nations equally . . . [both Britain and France which had parts of the region of the Niger under protectorate status also undertook to apply the principle of free trade in their territories].
REGARDING NEW OCCUPATIONS ON THE COASTS OF AFRICA
Any power which henceforth takes possession of a tract of land on the coasts of the African Continent outside of its present possessions, or which, being hitherto without such possessions, shall acquire them and assume a protectorate. . . shall accompany either act with a notification thereof, addressed to the other Signatory Powers of the present Act, in order to enable them to protest against the same if there exists any grounds for their doing so.
The Signatory Powers of the present Act recognize the obligation to insure the establishment of authority in the regions occupied by them on the coasts of the African Continent sufficient to protect existing rights, and, as the case may be, freedom of trade and of transit under the conditions agreed upon.
The Powers signatory to the present general Act reserve to themselves the right of eventually, by mutual agreement, introducing therein modifications or improvements the utility of which has been shown by experience ………………………………..
Done at Berlin, the 26th day of February, 1885.