Yes it does. It says:
Gains from trading bitcoins on online exchanges...will be subject to Japanese tax
Additionally (which is the item your are referring to):
Purchases made in bitcoins will be subject to Japan's consumption tax
Then the killer..
But enforcement could prove difficult, as tax authorities will have to track down users
You don't say
Considering that all the world's main cryptocurrencies now have "not-in-Japan" status plus offline exchanges just around the corner with technologies like NXT, I hope they've got a good contact in the NSA