Do I get a chance to respond before a medical officer's excessive demand finding becomes final?

Yes. Before a finding of excessive demand becomes final, the applicant is generally given a procedural fairness letter setting out the medical officer's concerns and an opportunity to respond before a visa officer makes the final decision. This isn't a courtesy notice to be skimmed and filed — it's the main chance to change the outcome, and it usually comes with a firm deadline.

The response can include updated or additional medical evidence, a challenge to how the medical officer characterized the condition or its likely costs, or a mitigation plan showing how anticipated public service use will be reduced or covered privately. Simply repeating what was already submitted, without adding anything new or specifically addressing the officer's stated concerns, rarely changes the result.

Because the fairness letter identifies the specific basis for the concern, the response should be built directly around it rather than a general restatement of the applicant's situation. Missing or poorly using this opportunity is one of the more avoidable reasons excessive demand findings become final, so getting help preparing the response — ideally from someone who has reviewed the actual letter and underlying medical file — matters more here than at almost any other stage.