The tax year 2016 Delaware Letter of Intent is currently available. Please contact to request a copy of the Letter of Intent. Once your signed and completed Letter of Intent has been accepted by the Division of Revenue, you will receive access to the Delaware schemas, change logs, handbooks, and test packets from our secure site.

Delaware is expecting to begin acceptance testing for all tax types on or before 12/5/2016. Tax year 2016 production will start in conjunction with the IRS tax year 2016 startup date.