How to calculate Ontario corporate minimum tax — and autofill 013-2496 with my-id.ca
Complete the CMT schedule without retyping corporation details
Corporations subject to Ontario Corporate Minimum Tax repeat legal name, business number, registered office address, and authorized representative contact on every CMT calculation and return 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: Corporations tax — ontario.ca
- Form (Central Forms Repository): Corporate Minimum Tax (CMT) — 013-2496
What this form is about
Form 013-2496 is Corporate Minimum Tax (CMT) used to calculate Ontario corporate minimum tax — confirm when CMT applies on ontario.ca.
Before you start: what to gather
- Corporation legal name and registered office address.
- Business number and Ontario corporation account identifiers if applicable.
- Financial statements and taxable income details for the taxation year.
- Authorized representative name, phone, and email.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your corporation name, address, and business number 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 does CMT apply?
- When a corporation's Ontario tax otherwise falls below the minimum — confirm rules on ontario.ca.
- How does my-id.ca help?
- It autofills corporation name, address, and business number.
- How does 013-2496 relate to form 013-1352?
- Form 013-1352 allocates CMT among associated corporations; 013-2496 is the main CMT calculation.
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.