Aidbox UI To upload a FHIR Implementation Guide (IG) using the Aidbox UI, follow these step-by-step instructions IG package from Aidbox RegistryPick an Implementation Guide from the built-in package registry in the Aidbox UI.Public URL to IG packageUpload an IG by pointing Aidbox at a public .tar.gz URL.Local IG packageUpload a local .tar.gz IG package from your computer.