offer period for its $10.3 billion takeover bid for Republic New York Corp to Nov. 30.

The London-based bank may extend the offer period again as it works with Republic to complete the deal. The delay comes less than a week after Republic announced it was delaying, for a third time, a meeting in which shareholders were to vote on the deal. That meeting is also scheduled for Nov. 30.

Republic and HSBC agreed in May to a merger that was expected to close by Oct. 1. But the deal was put off until yearend after a client of Republic's securities division, Martin A. Armstrong, was charged with securities fraud. Republic said it has ordered an internal investigation into the bank's relationship with Mr. Armstrong.

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