Attribution FAQ
The terms of use for swisstopo's free geodata and geoservices require that the source be indicated when publishing or distributing to third parties. swisstopo regularly receives enquiries about this requirement. To assist you, we have outlined the procedure for the most common usage cases.
Use cases
Ideal: Each time swisstopo data is featured, the source is indicated next to the swisstopo data.
Acceptable: The source is mentioned in a central location on a web page listing all sources used in the map application or service. A link (URL or hyperlink) to the web page of the sources can be found in the map application or in the description of the web service.
The source is indicated next to the representation. If several representations are used, a single, central reference is permitted.
Ideal: Each time swisstopo geodata appears, the source is indicated next to the swisstopo geodata.
Acceptable: The source is mentioned in a central place at the end of the video or, in the case of video games, when listing the various source references.
The source is indicated in the documentation accompanying the publication. In the case of online publication, the documentation is available online.
The requirements are the same as for direct use of swisstopo geodata. Points 1 to 4 apply with any alterations as necessary. The indication of the source may be preceded by the additional statement “derived from ...”.
If swisstopo geodata or data based on swisstopo geodata is contained in a database with many different sources, it is sufficient to mention swisstopo in the list of sources of this database. Explicit mention of swisstopo in every use of the data is then no longer required, not even by the licensee of the relevant database. In this case, an indirect reference to the publisher of the database, itself mentioning swisstopo, is sufficient.
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Relevant authority
Topography
Geodata Distribution