The phrase "treaty basis" is correct and commonly used in written English.
It refers to an agreement or arrangement that is based on a treaty or international agreement between two or more countries. Example: The two countries signed a trade agreement on the treaty basis, which aimed to promote economic cooperation and reduce trade barriers between them.
The Germans are unhappy about the treaty basis of the euro.
As an instrument of economic policy, it provides a treaty basis for competitive international transactions.
In general, the discussion in the EP focused on the ECJ ruling and the question as to whether this new proposal indeed had a Treaty basis.
EU health policies often have to be legitimised by Treaty articles that have no, or only an indirect link, to health and healthcare, such as the internal market treaty basis.
The ECJ has been relatively generous in drawing the boundaries of the internal market treaty basis, including cases concerning the use of this basis for measures with perhaps more than an incidental health protection aim.
But a 1996 declaration reaffirmed that the postwar United States-Japan security treaty was the basis for a stable and prosperous East Asia.
The board's report, released this month, said things that were almost unsayable, triggering a sharp backlash.For example, the report implies that if the Lausanne treaty of 1923 the basis of the Turkish state and its foreign relations had been fully implemented, bloodshed between Turks and Kurds might have been avoided.
The DECC believes it is difficult to calculate and verify figures relating to consumption-based emissions, and it would be hard to negotiate a global reduction treaty on this basis.
The treaty provided the basis for all the following divisions between Italy and Yugoslavia.
Nevertheless, that treaty formed the basis for the conviction of Nazi war criminals at Nuremberg for their crimes against peace.
The Dutch government used the treaty as the basis for military action and an expeditionary force was sent to Ahanta.
