+ loss_carried_forward_chart => {
+ class => 'SL::DB::Chart',
+ key_columns => { loss_carried_forward_chart_id => 'id' },
+ },
+
+ profit_carried_forward_chart => {
+ class => 'SL::DB::Chart',
+ key_columns => { profit_carried_forward_chart_id => 'id' },
+ },
+