As the previous person said, the main control quantity.
2. Write-off method is the same as ordinary foreign exchange collection, and there is no difference.
It's all cancelled online.
You must fill in the payer's country, no matter where you export,
The customer's country only depends on the payer's country,
That is, the country of your client.
When a bank receives foreign exchange, it can also tell the payer's country.
So you can't write differently)