Getting Your Medical Device Licensed in Canada? Part 2: A Closer Look at the CESG Submission Process

August 4, 2026 – In Part 1, we introduced Health Canada’s Regulatory Enrolment Process (REP), noted when it became mandatory, and outlined the six-step sequence that carries a medical device licence application from company enrolment to final submission. The last of those steps, submitting through the Common Electronic Submissions Gateway, deserves a closer look on its own because the submission process has unique technical requirements that can easily delay or derail an otherwise complete application.

CESG stands for the Common Electronic Submissions Gateway. Health Canada and the FDA have jointly operated the system under a Cooperative Research and Development Agreement since 2013 and it has been used for eCTD-format and drug regulatory transactions since January 2017. For medical devices, submission via the CESG became mandatory in April 2026.

Because the CESG is jointly administered, you access it through the FDA’s Electronic Submissions Gateway portal, not a Health Canada-branded site. Health Canada is not mentioned on the login screen; it only comes into play after you log in to the portal and choose it as the receiving centre.

Use this link to access the FDA ESG NextGen portal, as the link on Health Canada’s website is not currently active: FDA ESG NextGen portal

Before a single file moves, three things must already be in place before the day of filing.

1. An individual portal account for every submitter.
   Submissions can only be made through an authenticated user account, so every person who will submit needs to create their own individual login.
   
   
2. A valid Letter of Authorization on file.
   Every company filing a submission must have a current Letter of Authorization on record with the FDA. Health Canada verifies the authorization upon receipt of the submission.
   
   
3. The dedicated upload application, installed and permitted.
   Every upload must be completed using a separate companion application rather than an ordinary browser file picker. That application must be installed and granted broad file system access, a request many users understandably hesitate to approve.

Miss any one of these, and the portal doesn’t tell you which one is missing. It just doesn’t work.

Submitting via the CESG involves logging in, staging the right files, selecting Health Canada as the receiving centre, choosing the correct transaction type, signing electronically, and confirming receipt. On paper it reads as a short, linear process. In practice, first-time filers consistently underestimate how unforgiving the mechanics are, and how little margin of the error the system offers once something is out of order.

A declined permissions prompt silently breaks the upload flow, with no error message pointing to the cause. Health Canada requires that transactions for a single dossier go in strictly one at a time; send the next one before the last is acknowledged, and the result is a formal validation failure rather than a completed filing. Folder structures must exactly match Health Canada’s required format, as even a minor naming or path-length issue can cause a dossier to be screened out administratively before an evaluator reviews its content.

None of these are scientific or regulatory-content problems. They’re procedural ones, the kind that are easy to overlook amid everything else a filing requires, and they have a habit of surfacing at the worst possible moment relative to a filing deadline.

A stalled CESG submission doesn’t just cost time. Depending on where in the process it fails, it can mean missing a filing window entirely, triggering a formal validation error that must be corrected and resubmitted, or having a complete, well-prepared dossier rejected on administrative grounds having nothing to do with the submission itself. The regulatory work that goes into a licence application is substantial. A declined permissions prompt or a mistimed large-file upload are entirely avoidable issues that can put that work at risk.

How PASB Can Help

This is the kind of process we help our clients manage from end to end, from maintaining current accounts and authorization records to staging submissions, sequencing transactions correctly, and tracking confirmations through to a successful filing. Our goal is to leave as little as possible to chance on submission day.
Alongside these transactional activities, we also provide strategic regulatory guidance tailored to each client’s products, objectives, and market plans.

Bringing a Medical Device to the Canadian Market?

We’d welcome the chance to help you navigate the gateway, so you can spend your time on the parts of the application that matter most.

Contact PASB MedTech Solutions → info@pasbtech.com