Regulators can’t limit brokered-deposit insurance.

The three-judge appeals court upheld a federal court ruling last summer that said that the Federal Deposit Insurance Corp. and the Federal Savings and Loan Insurance Corp. exceeded their authority in adopting rules limiting insurance on brokered deposits. The rules, which were to have gone into effect Friday, would have made the agencies able to insure only $100,000 per broker, even though each broker may have made several $100,000 deposits for clients.