How to file the 2003 CT23 corporations tax return — and autofill 013-0241u with my-id.ca
Complete a 2003 CT23 return without retyping corporate details
Corporations filing the 2003 CT23 Corporations Tax and Annual Return repeat corporation name, business number, registered office address, and director details on every 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): 2003 CT23 Corporations Tax and Annual Return / Guide # 1000 (2003) — 013-0241u
What this form is about
Form 013-0241u is the 2003 CT23 Corporations Tax and Annual Return with Guide # 1000 — confirm filing requirements on ontario.ca.
Before you start: what to gather
- Corporation legal name and Ontario corporation number.
- Registered office address and business number.
- Director names and addresses for the 2003 taxation year.
- Financial statements and tax particulars — prepare with your accountant.
Confirm the current process on ontario.ca.
How my-id.ca makes it faster
- Save it once. Store your corporation name, address, and director details 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
- How does 013-0241u differ from 013-0241t?
- 013-0241t is the 2002 return; 013-0241u is the 2003 taxation-year return.
- How does my-id.ca help?
- It autofills corporation name, address, and director details across tax returns.
- Who may use the short form?
- Eligible corporations may file 013-1399d — confirm on ontario.ca.
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.