According to NS International Interrail is not valid anymore (even with seat reservation) on the ICE from the Netherlands towards Germany between 6:00 and 16:00, during the summer months (17 June - 18 August). 🤐
During the period from 17 June to 18 August 2023, Eurail and Interrail travellers cannot use the ICE International trains towards Germany with departure times between 6am - 4pm from a station in the Netherlands. Even with a separate seat reservation, travel on these trains is not allowed for Eurail and Interrail travellers during the specified period.
Source: https://www.nsinternational.com/en/global-train-passes/discover-europe-by-using-interrail
