You may need to replace a barcode for a specific copy of a resource.
Go To: Cataloguing > locate the specific resource
- Search for the resource.
- Click on the catalogue icon  to open the the bibliographic record. to open the the bibliographic record.
- Click on  tab. tab.
- Locate the specific copy that requires a barcode replacement. 
- Edit  the record. the record.
- Highlight and replace the current barcode with a new barcode 
 . .
Note: Barcodes are unique identifiers and cannot be re-used.