<field name="writeoff_amount" widget="monetary" options="{'currency_field': 'currency_id'}"/>
<field name="payment_option" required="1" attrs="{'invisible':[('writeoff_amount','=',0)]}"/>
<field name="writeoff_acc_id"
- attrs="{'invisible':['|', ('payment_option','!=','with_writeoff'), ('writeoff_amount','=',0)], 'required':[('payment_option','=','with_writeoff')]}"
+ attrs="{'invisible':['|', ('payment_option','!=','with_writeoff'), ('writeoff_amount','=',0)], 'required':[('payment_option','=','with_writeoff'), ('writeoff_amount','!=',0)]}"
domain="[('type','=','other')]"/>
<field name="comment"
attrs="{'invisible':['|', ('payment_option','!=','with_writeoff'), ('writeoff_amount','=',0)]}"/>