Depends on what you mean by "required". Is it required by law? No, probably not. If you actually want to win your case, however, you're going to need a lot o

Depends on what you mean by "required". Is it required by law? No, probably not. If you actually want to win your case, however, you're going to need a lot of knowledge about the laws in question as well as court and legal proceedings to stand a chance, or your opposition's lawyers are likely to win the case on some sort of technicality because you didn't provide some document at the appropriate time or something like that.