31.   The United States also is urging that the treaty require groups that lay mines to clear them or maintain them in controlled areas once fighting ends.

32.   The treaty also requires that the importing country mark the weapons.

33.   The treaty requires approval by a simple majority of both houses of the Russian parliament.

34.   The treaty still requires U.S. Senate approval.

35.   The treaty would have required that exporters of genetically altered plants, seeds or other organisms obtain approval in advance from the importing nation.

36.   They said the European Convention on Terrorism and other treaties required Britain to extradite Pinochet.

37.   Treaties alone require a two-thirds majority among voting senators.

38.   A consular treaty requires notification when an American is detained, but Sun said Andrew was never formally detained.

39.   A Caricom treaty requires member countries to abolish the requirement that importers be licensed by their respective governments.

40.   A treaty would require approval of two-thirds of the Senate.