Which one is the best?

AnonymousWhen you drive in Europe...

This is fine.

This sounds better:

When you drive in Europe, the law requires you to wear a reflective jacket.

Thanks vsuresh

Anonymousrewrite

European law requires drivers to wear a reflective jacket.

(Bizarre law, though. I think you've left out some information. Are you referring to riding a bicycle at night?)

CJ

Hi CalifJim

Here is the complete sentence:

When driving in Europe, a reflective jacket is needed by law, for every seat the car has, whether or not people are using them.

This law is for cars, but I'm not so sure if it's true or not.

It's completely untrue.

Anonymousa reflective jacket is needed by law, for every seat the car has

For every seat. That means some kind of covering on the car seats, I imagine, and not something that people must wear.

CJ

I think this one is in France.

source

http://www.eutouring.com/regulations_driving_in_france.html

AnonymousI think this one is in France.sourcehttp://www.eutouring.com/regulations_driving_in_france.html

What we have here is a failure to communicate.
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You imply that the sentence

When driving in Europe,

You're CalifJim. But I found this link another "facts site" via googling and here is the original link:

http://www.rendip.com/post/3788/when-driving-in-europe-a-reflective-jacket-is-needed-by-la

Whenever one is driving in Europe, a reflective jacket is needed by law.