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Bundesportal | Lake Constance - apply for a vacation or vacationer's patent
If you do not hold a Lake Constance skipper's license, but another skipper's license from a country bordering Lake Constance, you can temporarily obtain a vacation or vacation skipper's license (temporary Lake Constance skipper's license) to operate a boat on Lake Constance. It is valid for 30 daysβ¦
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99096001001001