[kezo]

Indeed a grey area, with little information around!

There may be something here (dated 20th july) of use, though don’t hold your breath lol..

https://www.msn.com/en-gb/travel/news/blue-badge-can-be-used-by-25m-people-on-holiday-in-these-30-countries-this-summer/ar-AA1e6OAG