How to waive the corporations tax reassessment time limit — and autofill 013-0146 with my-id.ca
Extend corporations tax reassessment limits without retyping entity details
Corporations waiving the time limit for issuing reassessments under the Corporations Tax Act repeat legal name, mailing address, corporation number, and assessment particulars on every waiver 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 forms and publications — ontario.ca
- Form (Central Forms Repository): Waiver of Time Limit for Issuing Reassessments - Corporations Tax Act — 013-0146
What this form is about
Form 013-0146 is the Waiver of Time Limit for Issuing Reassessments under the Corporations Tax Act — confirm requirements on ontario.ca.
Before you start: what to gather
- Corporation legal name and mailing address.
- Business number and Ontario corporation tax account identifiers.
- Assessment or matter the waiver covers.
- 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 registration 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 is form 013-0146 used?
- When a corporation agrees to extend reassessment time limits under the Corporations Tax Act — confirm on ontario.ca.
- How does my-id.ca help?
- It autofills corporation name, address, and registration identifiers.
- How does 013-0146 relate to form 013-1909?
- Form 013-1909 is the general Ontario tax waiver; 013-0146 is specific to the Corporations Tax Act.
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.