As of 2013, the treaty has been ratified by 32 states.

The treaty was ratified in May 1943 and came into force then.

As of 2013, the treaty had been ratified by 63 states.

As of 2010, the treaty had been ratified by 31 states.

The treaty, which came into effect in 1970, has been ratified by 187 countries.

But before it can go into force, the treaty must be ratified by all 12 community members.

As of May 2013, the treaty has been ratified by 30 states and 12 international organizations.

The treaty has not yet been ratified by the parties.

First we have to see to it that the treaty is ratified.

The treaty has been ratified by 192 countries, including India.