What does it mean ‘in no case’?
In no case it is mandatory to comply with the requirements provided for by the medical device directive.
Does that sentence mean
1. I should follow medical device directive
2. I should not follow medical device directive
Which one is right??

Question

What does it mean ‘in no case’?
In no case it is mandatory to comply with the requirements provided for by the medical device directive. 
Does that sentence mean 
1. I should follow medical device directive
2. I should not follow medical device directive
Which one is right??

Answer

Second one, because it is not mandatory.