Trying to work out whether Japan is workable at the moment, because the rules I find online contradict each other.
Filing the paperwork early is worth more than arguing later about whose fault it was.
The address matters more than the contents after a while, and nobody warns you about that.
Any experience with the equivalent in another country would help.
What do you do about the fee? Do you just pay it?
Photograph everything before you open it. Ten seconds, settles most disputes.
The declaration contradicting the return address is what gets it opened.
Three month limits are cumulative across parcels in more places than people realise.
Customs outcomes are not rulings. A parcel passing is not legal advice.
The sticker on the box is just so you know they were in there. It is the letter that matters.
How do I find the national register if I do not read the language?