(2) The director may, by regulation, provide for the manner of crediting to each such employer the employment experience of such group of employers who have appointed such agent with respect to such workers, for the purpose of any classification of employers made pursuant to this chapter for the determination of future rates of employers’ contributions.
(3) Any of such employers who operate or do business in more than one place may, with the approval of the director, appoint a separate agent in each such place.
(4) This section shall not be construed to make such agent the employer of such workers, or relieve any employer of obligations to comply with the terms of this chapter, except to the extent that such obligations are discharged by such agent.