Metrolinx iSupplier Portal Resources
The online invoicing portal for vendors doing business with Metrolinx.Resources
This page includes all the learning resources you may need to use the Metrolinx iSupplier portal. If you do not have a registered account for the Metrolinx iSupplier portal, please go to Register Your Organization to Use iSupplier.
Getting Started
We recommend that you start by taking the iSupplier eLearning course “iSupplier Portal Overview”. To gain additional insights, you can use the Quick Reference Guide which outlines the process flows explained in the eLearning course and can serve as a job aid as you start using this system.
PO-Based Invoices
The below resources demonstrate how to complete the following tasks:
- Submit a PO-Based Invoice (video) (pdf)
- View PO Details (video) (pdf)
- View and Resubmit Cancelled PO-based Invoice (video) (pdf)
- How to Update Attachments in iSupplier
- How to Edit or Cancel iSupplier Invoices
Credit Memos
In some cases, you may need to create credit memos to refund Metrolinx for goods and/or services. The credit memo submission should be done separately from a normal invoice so that no credit line items should be included with invoice charge items. Watch the Submit a Credit Memo video or read the user guide pdf for step-by-step instructions.
Non-PO Based Invoices
On an exception basis, some vendors are approved to submit non-PO invoices. If Metrolinx has approved you for this process, the resources below will be of assistance:
- Submit a Non-PO Based Invoice (video) (pdf)
- View and Resubmit Rejected Non-PO Based Invoice (video) (pdf)
- How to Update Attachments in iSupplier
- How to Edit or Cancel iSupplier Invoices
Account Management
Watch the Manage Profile and Account Settings video or read the user guide pdf to learn how to:
- Navigate to your profile
- Add a new user
- Set up a user account for an existing user
- Update an existing user’s details
- Update or add addresses
- Update or add banking details
Terms & Conditions
As with any software application, you should be aware of the Terms and Conditions of its use, which can be found here: