District of columbia tax form d 40 2026

1. Click ‘Get Form’ to open the District of Columbia Tax Form D-40 in the editor.
2. Begin by filling in your personal information. Use capital letters and black ink for clarity. Include your first name, middle initial, last name, Taxpayer Identification Number (TIN), date of birth, daytime phone number, and current mailing address.
3. Review the exemption categories. If applicable, check the box for commuter/domiciliary state exemption or military spouse exemption and provide the necessary details.
4. List any DC real property you own by entering the type and address of each property.
5. Calculate your refund request by adding DC income tax withheld and estimated income tax payments. Round cents to the nearest dollar.
6. Choose your refund option: Direct Deposit, ReliaCard, or Paper Check. Fill in required banking details if selecting Direct Deposit.
7. Sign and date the form at the bottom to declare that all information is correct before submitting it through our platform.

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