According to this guideline, administrators and civil servants must determine for themselves which messages were important for political decision-making and must be kept. In 2020, the national government drew up instructions about how politicians should preserve text messages. Moreover, it is illegal if the removal takes place after a Wob request," lawyer Cornelis van der Sluis, who specializes in Wob requests, explained to the broadcaster.
"If you automatically delete all communication in a certain channel, there is a good chance that things will go wrong. Communications and administrative decision-making usually have to be preserved for public access under the context of the Government Information Act (Wob). It may not be legal for politicians to use automatic delete functions in messaging apps, experts told BNR. The D66 parliamentary group also moved from WhatsApp to Signal. In addition to about a third of the Rutte IV Cabinet, the mayors and aldermen of Nijmegen, Delft, and Amsterdam now chat via Signal. You only have to tick how long messages are kept for each chat, ranging from 30 seconds to four weeks. Signal makes it very easy to delete your messages or entire chat conversations. Several municipal authorities also switched to Signal last year, BNR reports based on its own research. Over a third of the new Ministers and State Secretaries sworn in this week are on the app. More and more politicians are using messaging app Signal, which automatically deletes messages after a period set by the user.