WASHINGTON - While technically possible, requiring more automated teller machine fee disclosures could cost as much as the estimated $10 billion financial companies spent on the Y2K computer update, according to a report released Tuesday by the General Accounting Office.

In the Gramm-Leach-Bliley Act of 1999, lawmakers asked the GAO, Congress' auditing arm, to find out whether real-time disclosure of all ATM fees would be possible. If so, Congress requested a cost estimate and a time frame for executing needed changes.

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