eHerkenning is the digital authentication tool that allows entrepreneurs in the Netherlands to securely log in to government portals such as Mijn Belastingdienst Zakelijk, the UWV employer portal and RVO. To register investments with RVO (EIA, MIA/Vamil), you need eHerkenning level 2+. You apply for eHerkenning through an accredited provider this can take a few working days, so arrange it in advance. More information is available on the official website: https://www.eherkenning.nl/en