31.   The treaty comes into force next year.

32.   The United States announced Sunday that it would extend its moratorium on U.S. tests until a test ban treaty comes into force.

33.   This means Russia will have an excess allowance of emissions if the treaty comes into force which they can sell like a commodity, he said.

34.   Without a U.S. endorsement, it would be difficult for a treaty to come into force.

35.   Without a U.S. endorsement, it would be difficult for such a treaty to come into force.

36.   First, the United States will extend its moratorium on nuclear testing until the test ban treaty comes into effect.

37.   France insists the tests are essential to perfect computer simulation techniques and ensure the reliability of its nuclear deterrent once an international test ban treaty comes into force.

38.   He said the treaty should come into force if the five known nuclear powers and the threshold countries join it.

39.   But the treaty will only come into force when the Russian side has done the same.

40.   Firstly, the United States will extend its moratorium on nuclear testing until the test ban treaty comes into effect.