21.   Brokerage firms have adopted different rules about disclosing that information.

22.   But about a dozen proceedings, begun before the new rules were adopted, continue under the old system.

23.   But Cohen said the solution is to let medical schools voluntarily adopt tougher rules, including accreditation of review board members and a ban on most conflicts.

24.   But he noted that the agency had adopted new rules to make its deliberations less opaque.

25.   But he noted that the authority had adopted new rules to make its deliberations less opaque.

26.   But Pescetti said he believes the PUC is already in the process of adopting tougher rules through the Bill of Rights proposal.

27.   But it need not be disabling, if sensible rules are adopted and followed.

28.   But the House normally adopts new rules at the beginning of every Congress.

29.   But the law is not yet in effect, because the federal Department of Transportation has not adopted rules to enforce the provision.

30.   But there is little chance such strict rules will be adopted.