On the Payment Details tab, you can provide information about the Payroll Sheet documents that are paid with this bank payment. 
The "Bank Payment (create)" form. The Payment Details tab
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In the Statement column, select a payroll sheet for payment.
The Planning Document column is available if the Use a payment calendar option is selected on the Administration > Settings > Cash Management form. The column is auto- populated in case when the payment is based on a Money Transfer (Plan) or Money Payment (Plan) document.
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