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Optionally, in the Basis field, specify a document which can be used as a basis for the current document. Use the Fill by Basis button to populate the current document with the data from the selected basis. Notice that debits and credits from the basis will be reversed on the Expenses tab if the transaction type is Reversal. If the transaction type is Accrual, you can create a storno for the basis , by using negative amounts.
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