Federal:
https://sa.www4.irs.gov/irfof/lang/en/irfofgetstatus.jsp
State:
https://prd2p.it.state.wi.us/dor/faqs/inquiry.html
IRS Forms & Instructions
http://www.irs.ustreas.gov/formspubs/lists/0,,id=97817,00.html
Wisconsin Dept of Revenue Forms & Publications
http://www.dor.state.wi.us/html/taxind.html
2002 Rent Certificate
http://www.dor.state.wi.us/forms/2003/03i-017.pdf