That means binding. You know, as in mandatory?

Although the German government has said “there is no obligation to be inoculated” with the new vaccine against coronavirus now being distrubuted, the head of Germany’s Lufthansa expects that mandatory innoculations will soon be the rule for long haul flights. Then they’ll just work their way up, I mean down, from there.

Vaccinations will be free and available to everyone from mid-2021, when the priority groups are expected to have finished vaccination campaigns. There is no obligation to be inoculated.