Discharge of Attachment

If, upon such application, it satisfactorily appears that the writ of attachment was improperly or irregularly issued, it must be discharged; provided, that such attachment shall not be discharged if, at or before the hearing of such application, the writ of attachment or the affidavit or undertaking upon which such attachment was based shall be amended and made to conform to the provisions of this Article. SOURCE: CCP § 558.