D 40b form 2026

1. Click ‘Get Form’ to open the D-40B form in the editor.
2. Begin by filling in your personal information. Use capital letters and black ink. Include your first name, middle initial, last name, Taxpayer Identification Number (TIN), date of birth, daytime phone number, and current mailing address.
3. Review categories A and B for exemptions. Indicate your commuter or military spouse status by entering the appropriate state abbreviation if applicable.
4. List any DC real property you own by providing the type and address of each property.
5. Calculate your refund request by adding the amounts from DC income tax withheld and estimated payments. Round cents to the nearest dollar.
6. Choose your refund option: Direct Deposit, ReliaCard, or Paper Check. If selecting Direct Deposit, fill in your account type and routing number.
7. Sign and date the form to declare that all information is correct before submitting it through our platform.

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