Any defendant who appeared in the action may, by noticed motion, file an application with the court for an order permitting the defendant to substitute an undertaking for any of the defendant’s property that has been or could be attached. (CCP 489.310(a))
The amount of the undertaking shall be equal to the lesser of the value of the property that has been or could be attached or the amount specified by the writ. (CCP 489.310(c))
The filing of an undertaking by one defendant does not prevent the levying officer from attaching or releasing from attachment the property of any other defendant. (CCP 489.310(d))