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Iowa ELF Handbook for TY09
(pdf)
IRS and Iowa Business Modernized e-File Information
Iowa Modernized e-File (MeF) Developer Guide and Information for eFile Providers (pdf) (Revised 10/30/09)
Withholding Tax
Sales Tax
Results of 2008 Survey
Iowa Status on 2008 Federal Extenders
2009 Federal Stimulus Package
IRS Web site
Iowa Tax Treatment of Same-Sex Marriages
(pdf)