On the Payment Details tab, you can provide information about documents associated with the bank receipt, taxation details, and information on the exchange rates used for the document. 
The "Bank Receipt (create)" form. The Payment Details tab in single-row mode
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The Accounts Rate and Accounts Factor fields are populated automatically according to the contract currency's rate with respect to the national currency that is in effect on the document date. The Accounts Accounts Amount field shows the amount (in the contract currency) that will be paid with the received bank receipt. If the rate is changed, the amount is recalculated in the Accounts Amount field.
In the Document field, which is available only if this receipt is not an advance payment (No is selected for Advance), select a customer document that will be paid with this receipt.
In the Order field, specify a customer order to which this bank receipt is related.
In the Proforma Invoice field, specify an invoice related to the bank receipt.
The Planning Document field is available if the Use a payment calendar option is selected on the Administration > Settings > Cash Management form. The field is auto- populated in case of the money receipt based on a Money Transfer (Plan) or Money Receipt (Plan) document.
If the Project Costing functionality is enabled in the application on the Administration > Settings > General Settings form, you can link a bank receipt with a related project which you can select in the Project field (to find a project, start typing its name or code in the field).
In the VAT,% field (which is available for advance payments) you can view the VAT rate applicable to the document.
The VAT Amount field (which is available for advance payments) is populated with the VAT amount calculated in the national currency.
Table mode
In Table mode, you can add documents to the list one by one, or you can add multiple documents at once by using the following buttons:
- Pick: To open the list of customer documents and to manually select the unpaid documents from the list.
- Fill: To populate the list automatically with any of the customer unpaid documents which amount will be equal to the payment amount.
As you add documents, the columns are populated.
The "Bank Payment (create)" form. The Payment Details tab in table mode
In the Payment Amount column, specify how the receipt amount is splitted split between documents.
Make sure that the sum in the Payment Amount column is equal to the amount in the Total field under the table.