Fill Out Form RC4288 Online in 2026

Form RC4288, Request for Taxpayer Relief, is a crucial document to request the Canada Revenue Agency (CRA) to cancel or waive penalties and interest on your taxes. This form is particularly important if you’ve missed tax deadlines due to unforeseen circumstances like illness, accidents, or natural disasters. To improve your chances of receiving relief, you must include detailed reasons and supporting documents. By doing so, you can help avoid additional charges and resolve your tax issues more effectively.

Form RC4288 is a request for relief from penalties and interest charged by the Canada Revenue Agency (CRA). Here’s what it’s used for:

• Reducing or waiving penalties and interest.
• Requesting relief for CRA processing delays.
• Seeking relief due to financial hardship.
• Addressing errors made by a tax professional.
• Covering natural disasters, serious illness, death in the family, or other unavoidable events.

1. Fill out your name, SIN or business number, tax years affected, and the amount owed in the appropriate fields.

2. Provide a detailed explanation for your relief request, ensuring clarity and completeness.

3. Attach supporting documents such as medical records, employment termination letters, financial statements, and any correspondence with the CRA.

4. Download the completed form for your records once finished.

Taxpayers are responsible for completing Form RC4288. This includes individuals seeking relief from penalties and interest imposed by the Canada Revenue Agency (CRA) due to extenuating circumstances.

After submission, the CRA reviews the form to decide if relief from penalties and interest is warranted, based on the provided information and documentation.

Form RC4288 is not required if the Canada Revenue Agency (CRA) has already waived penalties and interest due to their error or delay. Taxpayers requesting relief under Form RC7288 for Selected Listed Financial Institutions also do not need to use Form RC4288.

The deadline for Form RC4288 is December 31, 2025. This applies to requests related to the 2015 tax year or any reporting period that ended in 2015. You can submit the form online through My Account, My Business Account, or Represent a Client services, or you can send it by mail or courier.

To get a blank Form RC4288, simply visit our website, where the Canada Revenue Agency's form is pre-loaded in our editor. You can fill it out right away and download it for your records. Remember, our platform helps with filling and downloading, but not filing forms.

To sign Form RC4288, Request for Taxpayer Relief, you should use a handwritten signature, as official guidelines do not mention the use of electronic or digital signatures. It’s important to verify that all information is accurate before signing. After filling out the necessary fields in the form using CookPDF, you can download it for your records. Remember to check for any updates on the form requirements before submission, as CookPDF does not support that process.

To submit Form RC4288, send it by mail or courier to the designated Tax Centre or Tax Services Office based on your province.

For online options, use My Account or Represent a Client for individual relief, and My Business Account for business relief. Choose the right program to request relief under "Accounts and payments."