Again, there is a *non-exhaustive* list (because: "include") of reasonable excuses, now referred to as "exceptions"

Very important that obvious failures with Track and Trace and self-isolation (study late last year said 18% of people complying https://t.co/dhJUZ7Pm0l) are not painted as an enforcement issue. Plainly not. Would just pass buck to police who have almost no capacity to enforce https://t.co/Eb4Kl5Ze0E
— Adam Wagner (@AdamWagner1) January 25, 2021
Lots of stuff on technical barriers and customs cooperation. See @AnnaJerzewska for more on the latter. pic.twitter.com/3sC5xHD3Z8
— Steve Peers (@StevePeers) December 26, 2020