21.   He said any welfare bill should be aimed at imposing a limit on welfare and toughening requirements for child support.

22.   Ignoring Russian criticism, President Lennart Meri signed a new law Wednesday toughening requirements for Estonian citizenship.

23.   Last week the nuclear powers compromised with China on its demands that they toughen requirements for ordering inspections of suspected violators.

24.   Shrugging off Russian criticism, the president signed a law Wednesday toughening requirements for Estonian citizenship.

25.   The proposal toughens requirements that Britain enforce special production methods for gelatin and fat, materials widely used in products ranging from cosmetics to candy.

26.   --Toughen consent requirements for access to tax information by financial institutions.

27.   Ukraine wants a favorable climate for its citizens traveling to Poland and is concerned that visa requirements would be toughened if Poland is accepted into the European Union.