2. It is given after the action is brought to save expense.
3. It differs from a warrant of attorney, which is given before the commencement of any action, and is under seal. A cognovit actionem is an acknowledgment and confession of the plaintiff's cause of action against the defendant to be just and true. Vide 3 Ch. Pr. 664; 3 Bouv. Inst. n. 8299.