Q: im 13 now. How old do you haveto be in order no to recieve a fine or get in any trouble (except injury). Btw, i live in CA if it matters.
A: Here is a list of helmet laws for all of the states. Local cities can have their own set of rules also. 17 and younger must wear a helmet in CA. http://www.iihs.org/laws/HelmetUseCurrent.aspx