§ 1955.17 Determination of parties.

(a) The designated State agency or agencies and the Department of Labor, OSHA, shall be the initial parties to the proceedings. Other interested persons may, at the discretion of the administrative law judge, be granted the right to participate as parties if he determines that the final decision could substantially affect them or the class they represent or that they may contribute materially to the disposition of the proceedings.

(b)

(1) Any person wishing to participate in any proceeding as a party under paragraph (a) of this section shall submit a petition to the administrative law judge within 30 days after the notice of such proceeding has been published in the Federal Register. The petition shall also be served upon the other parties. Such petition shall concisely state: