Provision:
The United States of America and the Republic of Costa Rica considering their mutual interest in maintaining the populations of yellowfin and skipjack tuna and of other kinds of fish taken by tuna fishing vessels in the eastern Pacific Ocean which by reason of continued use have come to be of common concern and desiring to co-operate in the gathering and interpretation of factual information to facilitate maintaining the populations of these fishes at a level which will permit maximum sustained catches year after year, have agreed to conclude a Convention for these purposes and to that end have named as their Plenipotentiaries: who, having communicated to each other their full powers, found to be in good and due form, have agreed as follows:
