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The organization's head office is operated on an independent basis. The tasks include administrative issues such as further development, operation of the website, member services, and other activities.
For questions and support on administrative issues please contact us on the details below. For questions and advice on technical issues please directly contact an expert (Tax Experts).
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| Contact |
| Postal address: |
| Traubenweg 18, 3612 Steffisburg |
| Switzerland |
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