41.   City lawyers denied that Turley was harassed and said that the police were properly enforcing rules on street noise.

42.   Congress has no direct say over whether China or any other nation can join the World Trade Organization, the body that enforces the rules of global commerce.

43.   Critics contend that such incidents will continue to proliferate until stricter nationality rules are enforced.

44.   Concern stems from hints by officials at the Hong Kong Monetary Authority that they would enforce existing rules on mortgage lending, analysts say.

45.   Dating becomes more complicated when there are no parents to enforce the rules.

46.   Deciding that all the hooking, holding and grabbing that had become commonplace was limiting goal scoring, the league decreed that officials would stringently enforce obstruction rules.

47.   Earlier this week teachers began enforcing the rule, prompting some students to speak out against it.

48.   Earlier this week, however, teachers began enforcing the rule, prompting some students to speak out against it.

49.   --Enforce rules about refusing to sell certain products to underage buyers.

50.   Enforcing the rules can require constant vigilance.