Schedule S
Supplemental Information and Dependents
Schedule S is used by Washington DC residents to add supplemental information to their tax returns, such as the dependents they claim. This form should be supplemented by Form D-40.
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Washington DC Form D-40 Line by Line Guide
By Wade Michels -
1 year, 3 months ago
- Labels: State Tax Line-by-Line Tax Form Guides
If you live in Washington DC, don’t miss our breakdown of the D-40, the District’s own individual tax return.

