Treasury Secretary Timothy F. Geithner has challenged bankers togive him specifics on their longstanding complaint that theDodd-Frank Act is imposing costly, confusing and burdensomeregulations on them, according to four people familiar with thematter.

The Federal Advisory Council, a group of bank executives fromeach of the 12 Federal Reserve districts, complained to Geithner ata May 10 meeting about overlapping and duplicative rules, accordingto the people. Geithner urged the bankers to prepare a study withexamples of regulatory burden, said the people, who are preparingthe report.

Geithner offered to use his ability to reach across agencies tobetter coordinate and streamline rules if he found the reportconvincing, according to the people, who asked not to be identifiedbecause they weren't authorized to discuss the study. Thecomplaints include the handling of so-called stress tests of banks'ability to weather a crisis, capital requirements and restrictionson mortgage servicing.