The $108 million settlement represents the F.T.C.'s estimate of consumer losses, but does not include a penalty, which the commission is not allowed to impose.
The city's department of consumer affairs said the settlement also requires Whole Foods Market Inc to conduct quarterly audits to ensure products are accurately weighed and labeled.
The new guidelines, which are being published as part of a settlement of two lawsuits brought by consumer groups over patient care, are not compulsory, according to people familiar with them, so doctors will still be free to deviate from them without penalty.
This month, Mr. Prince laid the groundwork for a $215 million settlement of a Federal Trade Commission lawsuit against Associates First Capital, a consumer lending business acquired by Citigroup in 2000.
The action is part of a proposed settlement of lawsuits charging that the company misled consumers.
"As a result of this settlement, American consumers will see more choices and lower prices for organic foods," the F.T.C. chairman, Jon Leibowitz, said in the statement.
It charges banks (which in turn charge consumers and merchants) for services such as the clearing and settlement of credit-card transactions.
Despite the banner numbers in the settlement, consumer groups and a range of lawmakers have criticized it for not providing enough relief for aggrieved homeowners.
The legislation would require heightened judicial review of settlements giving consumers coupons or noncash benefits.
