What Schedule 1 for multiple accounts asks for — and how to autofill 013-0052 with my-id.ca
List multiple Ontario tax accounts without retyping registrant details
Taxpayers with more than one Ontario Ministry of Finance account repeat legal name, business number, mailing address, and account identifiers on every Schedule 1 – Multiple Accounts 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: ONT-TAXS online — ontario.ca
- Form (Central Forms Repository): Schedule 1 – Multiple Accounts — 013-0052
What this form is about
Form 013-0052 is Schedule 1 – Multiple Accounts used with ONT-TAXS online and Ministry of Finance tax registrations — confirm when this schedule is required on ontario.ca.
Before you start: what to gather
- Legal name or organization name and mailing address.
- Business number and Ontario tax account numbers for each account.
- Account types or programs linked to each registration.
- Authorized contact name, phone, and email.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your name, address, and tax 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 is Schedule 1 required?
- When a registrant maintains more than one Ontario tax account — confirm on ontario.ca.
- How does my-id.ca help?
- It autofills name, address, and tax account identifiers.
- How does 013-0052 relate to form 013-1833?
- Form 013-1833 requests registration; 013-0052 lists multiple existing accounts.
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.