Originally Posted by
seigex
You have to enter japan to do secondary, so it still won't solve the current problem, and an airline can deny boarding with no space left (though i've never seen one actually check my passport that closely)
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true. It's more for long term planning (if you do visit Japan enough to collect their stickers , TPP would help reduce how fast you run out of pages (and help avoid some of the immigration queues if possible)