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||This work was first published on the Liechtenstein and is now in the public domain because its copyright protection has expired by virtue of the Law on Copyright and Neighboring Rights, enacted 1999, amended 2006. The work meets one of the following criteria:
- It is an anonymous or pseudonymous work and 50 years have passed since the date of its publication (or creation, whatever date is the latest)
- It is another kind of work, and 70 years have passed since the year of death of the author (or last-surviving author)
- It is one of "laws, ordinances, international treaties and other official instruments; means of payments; decisions, records and reports of authorities and public administration"