My guess is that's a typo and they meant 2024... this is the earliest I can find of it on the web:
https://web.archive.org/web/20230419191753/https://stichting...
https://web.archive.org/web/20230419191753/https://stichting...
Did nothing happen until recently? Even as of 2023 everything on the website was in the future tense. "It is the intention of SIA to...", "Funding will be provided..."