Reversal 
This function allows you to reverse all objects generated via meter reading order creation, including:
Meter reading orders
Meter reading results (optional)
Billing orders
Reversal might be necessary if, for example, you determine the scheduling data was incorrect after you created periodic meter reading orders for a meter reading unit. A reversal may also be necessary if you enter an incorrect device when creating a control meter reading order.
On the initial screen you can choose whether the meter reading results:
Are to be deleted
This means that new meter reading orders are created for all devices when meter reading orders are created again.
Are not to be deleted
This means that when meter reading order creation is carried out again, new meter reading orders are only created for devices that were not read. Meter reading results are processed for devices that were read.
To reverse orders and results that have already been billed, go to You can only reverse and delete meter reading results entered for a device installation, removal or replacement here.