2018-2019 Personal Income Tax Forms
Looking for Older Forms or Paper Forms? Prior Year Forms Obtain Paper Forms
Read MorePersonal Income Tax Forms Current Year (2022-2023)
The Division of Revenue links for online filing options are available at https://revenue.delaware.gov/file/. Electronic filing is fast, convenient, accurate and easy. When completing a form electronically, please download the form prior to completing it to obtain the best results. Looking for Older Forms or Paper Forms? Prior Year Forms Obtain Paper Forms
Read MoreBusiness Tax Forms 2010
Delaware Business Tax Forms for 2009.
Read MoreBusiness Tax Forms 2011
Delaware Business Tax Forms for 2011.
Read MoreBusiness Tax Forms 2012
Delaware Business Tax Forms for 2012.
Read MoreBusiness Tax Forms 2013
Delaware Business Tax Forms for 2013.
Read MoreVendor Registration
Modernized e-file
Read MoreApproval Process
Software Developer Approval Process
Read MorePrior Year Business Tax Forms
Find Delaware business tax forms for prior years.
Read MoreFiling Corporate Income Tax
Information for businesses on how to file Corporate Income taxes in Delaware.
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