Amazon Settlements show up in your A2X account and can be seen either from your Home tab or your Settlements tab.
You can review a settlement by clicking Review:
Click on the little arrow to show invoice details:
Review your accounts and tax rates and then send them to your accounting:
In QuickBooks Online, the transaction shows up as a journal entry in the Bank register, where it can then be reconciled against the deposit.
In Xero, the transaction shows up as a Draft Invoice, or a Draft Bill if it is negative, where it can be approved and then matched to the Amazon deposit.
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