11.   She supports toughening the rules as long as colleges are not penalized if their enrollment drops.

12.   The mayor is also proposing to put some teeth back in the pothole law, by toughening the rules for notifying the city about sidewalk defects.

13.   The rule was toughened three years ago to discourage players from joining in a fight.

14.   The SEC, the only government entity that has any hand in policing the largely unregulated accounting industry, has resisted calls to toughen the rules governing accounting firms.

15.   The US Food and Drug Administration toughened its rules Wednesday on biotech-derived foods to boost consumer safety.

16.   Both the House and Senate last month passed bills to toughen the rules, and President Bush has signaled he would sign such legislation.

17.   Both the House and Senate this month passed bills to toughen the rules, and President Bush has signaled he would sign such legislation.

18.   Eighty percent of voters had rejected a second proposal by an anti-abortion coalition to toughen the rules on abortion, the survey said.

19.   Eighty-two percent of voters rejected a second proposal by an anti-abortion coalition to toughen the rules.

20.   The Social Democrats had pushed hard for legislation which would toughen rules on political donations, but was frustrated by strong opposition from Liberal Democratic Party lawmakers.