www.state.ia.us/tax/educate/79106.pdf
http://www2.legis.state.ia.us/IowaLaw.html
www.findlaw.com/11stategov/ia/iaca.html
www.state.ia.us/government/drf/news/news.html
www.state.ia.us/government/drf/forms/sales.html#sales
email – iadrf@iadrf.e-mail.com
Tel. – (515) 281-3114
Fax – (515) 242-6487
Mail – Iowa Department of Revenue and Finance, Taxpayer Services, P.O. Box 10457, Des Moines, IA 50306-0457