File Washington DC Form D-40B
Prepare Form D-40B now with H&R Block
E-Filing Options: H&R Block - TurboTax
Yearly versions of this Tax Form
Form D-40B is the form all Washington D.C. nonresidents need to file their Washington D.C. tax returns. Although Form D-40B may be supplemented by additional forms and schedules, it is required in all Washington D.C. part-year and nonresident returns.