Earlier articles on discussed the draconian laws/regulations being enforced. Apparently some of the more rare woods are now illegal to possess. If you happen to own a classic guitar which used these woods (e.g. ebony) and go through customs you have to prove the wood is legal. Which means you have to prove how old the wood is, where it was harvested, and how it was harvested. Otherwise you are guilty of a crime.
Ah, thanks. I figured it was something like that.