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have allowed overlapping of overhead periods, but it only applies for one unique period per refund reason.
1.Go to the Institution > Overheads screen
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4.In the multi-select box, associate one or several “Refund Reasons” with the overhead.
On the Box office, an operator can select from a list of the Reasons when cancelling or exchanging an order.
If an operator changes from one Reason to another (both linked with a fee), the existing overhead operation will be cancelled and a new one
will be created, which will then update the amount based on the Overhead linked to the newly selected Reason. When there is no overhead linked
to a reason, we do not create any fee.