...
4. At Payee Attributes tab, specify the Contract, Document, and Amount of Settlement:
NOTE If a Document is bases on some Customer Order or Purchase Order, then a field Order is obligatory.
5. Accounts Amount and Accounting Amount in the Accounts Receivable Tab and Amount of Settlements and Accounting Amount in the Payee Attributes Tab should match:
...
6. As the Mutual Settlement document is posted, the corresponding record is created and documents are settled:
Thank you for being a FIRSTBIT FirstBIT customer!