Re: or / and
Yoong Liat wrote:I think I confused it with 'No smoking or drinking on these premises'. I thought this would apply to 'Do not' as well.
There is no rule. Consider "No drinking and driving is allowed". It is just that if the notice said "No smoking and drinking on these premises" some people might suppose that either of those activities were permitted if carried out singly, but not both together. Note that "Smoking and drinking
are prohibited" avoids this problem, while "Smoking and drinking
is prohibited" does not!