One PDF decides whether your international patient's visa gets approved. And once your hospital issues it, there's no second attempt. The Part Nobody Warns You About: Zero Reissues Once your hospital generates the Medical Visa Invitation Letter on the government portal, the system will not let you issue it again. Not correct it. Not reissue it. Get one field wrong, and it's the patient's problem at the border — not just an internal fix. Before the Letter Can Exist: A Real Tre