Follow the steps to fill out Form 8879 with ease.

1. Click ‘Get Form’ button to obtain the form and access it in the online editor.
2. Enter the taxpayer's name and social security number in the designated fields. Ensure all information is accurate to avoid processing errors.
3. If applicable, input the spouse's name and social security number. This section is only necessary for filers who are married and filing jointly.
4. In Part I, input the adjusted gross income from the appropriate line of the tax return. This number is crucial for tax calculations.
5. Continue with the total tax amount and the federal income tax withheld amounts in the subsequent fields. Always use whole dollars for these entries.
6. Provide the refund amount and the amount owed, if applicable. These figures should correspond to your tax return.
7. In Part II, confirm the taxpayer declaration. This section requires you to verify the correctness of the information provided.
8. Input your personal identification number (PIN) as a signature for your electronic return. Select the appropriate option regarding who will generate this PIN.
9. Complete the spouse’s signature section if filing jointly, following the same PIN entry procedure.
10. For practitioner PIN method returns, ensure all mandated information regarding ERO's EFIN/PIN and signature is filled out correctly.
11. Once all sections are completed, save changes, download, print, or share the form as needed.

Start filling out your Form 8879 online today to ensure your tax return is processed smoothly.