The Implementation of the Once-Only Principle in a Maritime Domain
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The once-only principle in the context of the public sector means that citizens and businesses supply data only once to a public administration. The role of public administrations is to internally share these data also across borders so that no additional burden falls on citizens and businesses. One of the most important initiatives in Europe to explore and demonstrate the once-only principle in practice is the TOOP project. TOOP is currently developing a federated IT architecture in order to demonstrate how the once only principle can be applied by the European Member States. This technical solution will be practically tested within three pilot areas. The article presents these areas with a particular focus on a maritime domain. The application of the once-only principle in maritime transport primarily concerns the need for simplification in the area of ship and crew certificates, which are currently issued and maintained in a paper format and stored by national maritime administrations. Barriers and opportunities to implement the once and only principle in Europe are described as well.
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