Administration officials said the new rule would clarify an otherwise subjective standard and allow plants to modernize more easily, leading to greater efficiency and potentially lower consumer costs.

The new rules would clarify which districts would be regarded as interchangeable.

The rules will clarify choices for investors, but "there's no 100 percent perfect way to do any of this," Ms. McGrath conceded.

"We need to be sure that the rule clarifies current law in a way that supports continued development of new and better medicines that patients need."

The new rules clarify the application of Section 306(a) and prevent evasion of its statutory trading prohibition.

The new rules clarify the application and prevent evasion of Section 306(a) of the Act.

The officials said the rule merely clarified what they had been doing all along.

The rule clarifies that deductibility would depend on the use of borrowed funds, rather than the source.

The consensus was that Angelo Ciampi discuss the rules and objections with the Ranger to clarify his function.

The new rules also clarify the law that is applicable in the case of there being no agreement between the partners.