1. The total transaction price is the export declaration amount, and the foreign exchange receipt amount is the foreign exchange receipt amount, that is, the amount shown on the water bill. The write-off amount is the amount you want to write off this time, that is, the amount you want to write off in the memo book.

2. One write-off sheet can write off multiple water bills.

3. It has been cancelled, and I have the same situation. It doesn't matter, only you can confirm that you have written off (download the announcement after writing off to determine whether the write-off has passed).