- check files/sources on provenance
- check credits and other title/work/rightholder information appearing on the work’s cover, packaging or otherwise (including names, titles, date and place of publishing)
- identify information concerning copyright held in receipts, registers, files, collections management systems and other information held by the institution
- search for additional right holders
- check copyright policies of publishing houses, repositories and websites
- ascertain the contact information about the copyright holder
- multiple attempts to contact the copyright holder