How to file a tax notice of appeal — and autofill 013-1246 with my-id.ca
Appeal an Ontario tax decision without retyping contact details
Taxpayers appealing Ontario tax assessments under various provincial tax acts repeat legal name, mailing address, contact information, and assessment references on every Notice of Appeal package. This guide is an example of storing them once in my-id.ca.
Official form and source
Start from the official source and always use the current version — form numbers and links can change:
- Service page: Objection and appeal procedures — ontario.ca
- Form (Central Forms Repository): Notice of Appeal - Various Acts — 013-1246
What this form is about
Form 013-1246 is the Notice of Appeal used under various Ontario tax acts after a notice of objection — confirm appeal rights and deadlines on ontario.ca.
Before you start: what to gather
- Taxpayer legal name and mailing address.
- Business number or tax account identifiers if applicable.
- Assessment or decision being appealed and objection date.
- Grounds for appeal and supporting documents.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your taxpayer name, address, and account identifiers in your my-id.ca profile.
- Keep documents ready. Upload supporting documents to my-id.ca Files so you are not searching at form time.
- Autofill the form. Use the my-id.ca Chrome extension on a web form, or fill a PDF from your saved profile inside my-id.ca.
- Review and submit yourself through the official channel.
Why do it in my-id.ca
Related Ontario forms repeat the same personal details. Captured once in my-id.ca — stored in Canada, with AI on its own servers — every form starts mostly complete.
Frequently asked questions
- When can I file a notice of appeal?
- After receiving a notice of objection decision — confirm deadlines on ontario.ca.
- How does my-id.ca help?
- It autofills taxpayer name, address, and account identifiers.
- How does 013-1246 relate to form 013-9983?
- Form 013-9983 is the notice of objection; 013-1246 is the appeal if you disagree with the objection outcome.
Fill it once. Reuse it everywhere.
Save your information in my-id.ca once, then autofill this form and the next one — web forms with the Chrome extension, PDFs right in the app. Your data is stored in Canada and AI runs on my-id.ca's own servers, never sent to third-party AI providers.