How to authorize Ontario tax credit card payments — and autofill on00455 with my-id.ca
Set up credit card payments for Ontario taxes without retyping payer details
Taxpayers authorizing credit card payments to the Ontario Ministry of Finance repeat legal name, mailing address, tax account identifiers, and authorized contact information on every credit card authorization and dispute waiver form. 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): Credit Card Authorization/Dispute Waiver — on00455
What this form is about
Form on00455 is Credit Card Authorization/Dispute Waiver used to pay Ontario Ministry of Finance taxes by credit card — confirm eligible programs and dispute waiver terms on ontario.ca.
Before you start: what to gather
- Taxpayer legal name and mailing address.
- Business number or Ontario tax account identifiers if applicable.
- Credit card authorization details — confirm on ontario.ca.
- 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 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
- Which taxes accept credit card payment?
- Eligible Ontario tax accounts through Ministry of Finance payment channels — confirm on ontario.ca.
- How does my-id.ca help?
- It autofills taxpayer name, address, and account identifiers.
- What is the dispute waiver?
- The form may include terms limiting credit card charge disputes — read the form carefully 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.