I`ll just add, that even withdrawing $10,000+ from a bank account in the US has to be declared. This, apparently, is putting Rush Limbaugh (an ...) in dire straits as he apparently withdrew $9900+ numerous times, loopholing that limit for his Oxycontin (according to the press). I never knew that requirement until that Limbaugh investigation was promoted.
Personally, I think $20,000 should be a new limit, like Japanese have. Especially as the economy expands. We also need $1000.00 bills again and higher incomes, naturally. We had 500 and 1000 before, so why not now.