Ms. Hanson warned Mr. Nussbaum that the regulators were planning to ask for a Justice Department investigation.

But regulators also planned to abandon proposed formulas for measuring the proportion of loans issued in poor communities.

Today, European regulators are planning to vote against the proposal, the first time an American deal has been blocked solely by Europeans.

He said regulators had planned to address the issue sometime in 1993 but are moving now because of the G.M. issue.

Francine Forestell, the chief of its customer communications division, said federal regulators plan to interpret it as broadly as possible, "but we can't promise anything," she said.

The regulator originally planned to hold the auctions prior to the 2006 military coup.

But it appeared to fall short of offsetting criticism from consumer groups and federal regulators over company plans to raise certain costs for tens of millions of customers.

Domestic regulators plan to have this scheme in place by early 2012.

In many countries this is the only approach the regulators are planning to approve in the initial phase of Basel II Implementation.

Many hospital executives and lawyers say the practice is not illegal under current rules, but regulators plan to take a hard look.