Follow the steps to complete the IRS 2688 online.

1. Click ‘Get Form’ button to obtain the form and open it in the editor.
2. In the first field, enter your first name and initial. If you are filing jointly, also include your spouse’s first name and initial.
3. Next, input your last name and, if applicable, your spouse’s last name.
4. Provide your social security number and, if filing jointly, your spouse’s social security number.
5. Fill in your home address, including the number and street, city, state, and ZIP code.
6. Indicate the extension period you are requesting by filling in the date until which you seek to file your return.
7. In the explanation section, describe why you require this extension. Be clear and thorough to avoid denial of your request.
8. If you have filed Form 4868 previously, indicate whether it was submitted. If not, ensure your reason is based on undue hardship.
9. For individuals or couples planning to file a gift or generation-skipping transfer tax return, check the appropriate boxes.
10. In the signature section, both parties must sign if filing jointly. Include the date of signing.
11. Complete the Return Label with your name, address, and social security number. Make sure this is accurate to receive a Notice from the IRS.
12. Carefully review your entries to ensure that all relevant sections are filled. Save your changes, download the form, print it, or share it as needed.

Complete your IRS 2688 form online today and ensure you file your taxes on time!