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Dutch government information is always public, unless there are valid, legal reasons to withhold some kinds of information. You can obtain the information in different ways. You can consult government websites, for example. In addition, you can also request government information under the Dutch Public Access to Government Information Act (Wet openbaarheid van bestuur, WOB). A request based on this Act is referred to as a WOB request (Freedom of Information, FOI). In some cases your WOB request may be declined, for instance for security reasons or if it concerns confidential data related to people or companies. Public authorities may refuse a request for information which is manifestly unreasonable.
Submitting a WOB request
You submit your WOB request to an administrative body the way you prefer. For example, by telephone, email or letter. If they do not have the requested information, they must forward your request to the administrative body that does have this information (forwarding obligation). The administrative body will make a decision within 4 weeks of having received the WOB request. However, this period can be extended in case of substantial requests.
Reusing public sector information
Based on the Dutch Reuse of Public Sector Information Act (Wet hergebruik overheidsinformatie, WHO) you can submit a request to public institutions for information. After obtaining the information, you are free to exploit it commercially or non-commercially, for example by combining it with other information or by including it in your own product or application.