Metrolinx iSupplier Portal Resources

The online invoicing portal for vendors doing business with Metrolinx.

FAQ

Below, you will find answers to the most asked-about topics and questions about using iSupplier. Alternatively, you can download the PDF version of these frequently asked questions.

If you don’t find the answer you’re looking for, please contact us!

What is iSupplier?

Why did Metrolinx decide to implement iSupplier?

When will this change be put into effect?

Do I have to submit my invoice through iSupplier? What happens if I don’t?

How do I log into iSupplier?

How can I reset my password?

What should I do if the Reset Your Password link in my email has expired?

How often will I need to change my password?

What are the guidelines for choosing a password?

How do I find a specific invoice?

How do I find a specific PO?

What if I can’t find my PO?

How do I know if an invoice was submitted successfully?

What should I do if the tax is incorrectly calculated?

What should I do if I submitted an invoice with incorrect information?

Can I submit more than one invoice per submission?

How can I submit a non-PO invoice?

I have received a notification that my non-PO invoice has been rejected. How do I proceed?

How can I add an attachment after submitting the invoice?

What should I do If I receive an error when uploading files to iSupplier?

What if I want to be paid by a method other than EFT?

How do I associate a new bank account with my Address Book / Sites?

How will I know that my bank information is added or updated accurately?

How do I refund/credit a product or service to Metrolinx?

What are the various types of user roles and responsibilities that can be added in iSupplier?

When can Profile Administrators add PO Invoice Administrators to iSupplier?

How do I view what users are associated with my account?

How can I add a user to my account?

Can I choose my iSupplier username or change the existing one?

How can I delete a user from my account?

Can there be more than one Profile Administrator?

Will the MX iSupplier Profile Administrator users also be able to submit invoices?