BNP vice-chairman Barkatullah Bulu came up with the announcement after a joint meeting of Jatiya Oikyafront's central coordination and Dhaka city unit committees.
The meeting was held at its temporary office at Pritom Zaman tower in the city's Old Paltan area.
"Jatiya Oikyafront candidates will be provided with the election symbol, 'Sheaf of Paddy', after December 8. We want to work unitedly for a lone candidate of Oikyafront in every seat to ensure the victory of the alliance," he said.
"We've decided to form Oikyafront's coordination committee based on every constituency and the committee will steer the election activities of the front's candidates," he said.