In uk.railway Roland Perry wrote:
I'm fairly sure there's a law that says you must provide free toilets if
you serve alcohol - and this has been floated as the reason why St
Pancras toilets are free (the champagne bar etc).

Does this mean you can't have 'a trolley service of drinks and ... a fully
licensed bar' on a 313? Or a unit where the only toilet is locked out of
use?

Theo