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To search in a specific Naming Authority, start typing the Naming Authority search box. You should see suggestions of matching Naming Authorities appear as you type.
You can also search for a URN by using only the Resource Name without the Naming Authority. For instance, If you were looking for a HUL.ERESOURCE:TEST_THIS, where 'TEST_THIS' is the Resource Name, you could enterTEST into the Resource Name field to find it. Asterisks work for wildcard searches in both the beginning and end of a Resource Name.
From the Search Results, click on the Full URN text for the URN you want to edit. If the URN is just text without a link, then your permissions are not set to edit URNs in that Naming Authority. Contact your local NRS liaison to request the necessary permissions.
On the Edit URN page, you can update the URL or deactivate the URN. Click on 'UPDATE' to save the change.
