Once a trusted organization has been removed, you'll need to grant access to them again following the same process you initially used to give them access to your ORCID record.
For most organizations, you can do this by going to their website and clicking the link to connect with ORCID again. If that doesn’t work, you'll need to contact them for the link to restore access. You can also contact us, giving details of the organization to which you want to grant access, and we can help you.
Explore all help topics at Welcome to ORCID.