Because of the dangers of hidden links I think it should be in the 'Sign Up' that they are not allowed.
Also think there should be a FAQ link in the main menu to explain what is allowed and what isn't.
1. No traders allowed at all, an immediate ban is enforced.
2. No selling above RRP.
3. No selling or trading of 'Copied' goods, DVDs, Games, etc....
4. No deals to be done through PMs, 100% transparency in the open forum.
5. So on and so forth.....
Then all the information is in one place and can be pointed to by mods and admins, also there doesn't seem to be any method of 'reporting' posts I only see the 'spam' link in threads, and as I've never clicked it I don't know what it does, there should be a method of reporting posts individually and a way to explain why the member is reporting, spam, scam etc....
This was in place on the last BBS I was a mod at and it helped a great deal (there was just a tiny button with 'Report Link' next to it which then took the members clicking it to a 'report' form) as all reported posts were read by mods and admins 'behind the curtains' and dealt with accordingly, quickly and efficiently.