The Beheerorganisatie BSNk provides the Autorisatielijst BSN containing the OIN's of all organisations authorized to use BSN. Every OIN also accompanied by a name to improve problem solving activities. The Beheerorganisatie BSNk publishes the Autorisatielijst BSN in a location specified in their metadata. The file is available in XML format. Further information about the Autorisatielijst can be found in the BSNk documentation (contact Logius for more information).