To promote the joint interests of the Netherlands and Indonesia, the Netherlands Government and the Government of the republic shall co-operate in the establishment of a Netherlands-Indonesian Union, by which the Kingdom of the Netherlands, comprising the Netherlands, the Netherlands-Indies, Surinam and Curacao, shall be converted into the said union, consisting, on the one hand, -of the Kingdom of the Netherlands, comprising the Netherlands, Surinam and Curacao, and on the other hand, the United States of Indonesia.

The foregoing paragraph does not exclude the possibility of a further arrangement of the relations between the Netherlands. Surinam and Curacao.