It includes real estate in Dublin's Docklands, St Stephen's Green, Ballymun and beyond, which have been pledged as security for NAMA loans of €500m.
Treasury Holdings, which is one of the agency's top 10 biggest debtors, says the move could be disastrous for its overall business.
Its lawyers will ask the High Court for permission to challenge NAMA's decision and seek temporary orders stopping the receivers from taking action.
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