I use Transtech and I have an extra box from last year but I'll get the recent one and read reviews before I send. Here are two screenshots of the comments and a photo of guidelines they posted on their facebook page:
Q.#1
Do you really need my passport copy and receipts of items on the info sheets?
Q.#2
"Do you need a copy of my Japanese passport or the dual citizenship certificate?"
Informative x 2
