due_amount) from con_contract_cashflow where cashflow_id = t1.write_off_cashflow_id)"/>
due_amount) from con_contract_cashflow where cashflow_id = t1.write_off_cashflow_id)"/>
<bm:fieldname="payment_deduction"expression="(select payment_deduction from con_contract c where c.contract_id = t1.contract_id)"forInsert="false"forUpdate="false"/>