Bank of America Corp., the biggest U.S. lender, extended a freeze on foreclosures to all 50 states as concern spread among federal and local officials that homes are being seized based on false data.

“We will stop foreclosure sales until our assessment has been satisfactorily completed,” the Charlotte, North Carolina- based company said today in a statement. “Our ongoing assessment shows the basis for foreclosure decisions is accurate.”

Bank of America, JPMorgan Chase & Co. and Ally Financial Inc. already froze foreclosures in 23 states where courts supervise home seizures amid allegations that employees used unverified or false data to speed the process. Bank of America’s new policy extends its moratorium to the entire nation, and the announcement spurred more demands from public officials and community groups for other banks to follow suit.

“We have a lot of people raising questions,” Bank of America Chief Executive Officer Brian T. Moynihan said today in an interview in Washington before a scheduled speech to the National Press Club. The review “will take a few weeks” and is an effort “to clear the air,” he said.

PNC Financial Services Group Inc. halted sales of foreclosed homes for a month to review documents in its mortgage servicing procedures, according to an Oct. 4 memo the bank sent to lawyers handling the lender’s foreclosures.

More...