Every nonresident applicant, before the issuance of a license, shall file an irrevocable consent that suits and actions may be commenced against such applicant in the proper court of any county of this state in which a cause of action may arise, by the service of any process or pleadings authorized by the laws of this state on the chairperson of the real estate commission, said consent stipulating and agreeing that such service of such process or pleadings on the commission shall be taken and held in all courts to be as valid and binding as if due service had been made upon said applicant within the state of Iowa. Said instrument containing such consent shall be authenticated by the seal thereof, if a corporation, or by the acknowledged signature of a member or officer thereof, if otherwise. All such applications, except from individuals, shall be accompanied by a duly certified copy of the resolutions of the proper officers, or managing board, authorizing the proper officer to execute the same. In case any process or pleadings mentioned in the case are served upon the commission it shall be by duplicate copies, one of which shall be filed in the office of the commission, and the other immediately forwarded by certified mail to the main office of the applicant against whom or which said process or pleadings are directed.