441—5.6 (17A) Service and filing of petitions and other papers.
	 5.6(1) Service. Except where otherwise provided by law, every petition for declaratory order, petition for intervention, brief, or other paper filed in a proceeding for a declaratory order shall be served by mailing or personal delivery upon each of the parties of record to the proceeding, and on all other persons identified as affected by or interested in the questions presented, simultaneously with their filing. The party filing a document is responsible for service on all parties and other affected or interested persons. All documents filed shall indicate all parties or other persons served and the date and method of service.
	 5.6(2) Filing. All petitions for declaratory orders, petitions for intervention, briefs, or other papers in a proceeding for a declaratory order shall be filed with the Office of Policy Analysis, Department of Human Services, Hoover State Office Building, 1305 East Walnut, Des Moines, Iowa 50319-0114. All documents are considered filed upon receipt.