875—140.9 (30,89B) Relationship to Emergency Planning and Community Right-to-know Act. The requirements of this chapter are in addition to those of the Iowa emergency response commission at 605—104.3(30). Information and forms required to be submitted pursuant to Sections 311 and 312 of the Emergency Planning and Community Right-to-know Act, 42 U.S.C. 11021 and 11022, shall be sent to the Emergency Response Commission, Division of Labor, 1000 East Grand Avenue, Des Moines, Iowa 50319. The federal Tier Two Form is a mandatory reporting form under Section 312 (42 U.S.C. 11022) and is to be submitted annually by March 1 for the inventory of chemicals from the previous year.