If you’ve made a mistake on your shipment, for example, accidentally booked in stock with the wrong bookin date, you may want to ‘reverse’ the shipment. Reversing a shipment is complicated, that’s why there’s no magic button to do it for you. Here’s the process you need to follow.
...
The status is Booking In
Import Costs are apportioned and invoiced
Stock is booked in
All the stock still exists
Supplier Invoice is invoiced
VOTI invoice is invoiced.
Reduce stock value back to supplier cost
Because you have import costs apportioned you , your stock has been booked in at the landed cost. Before you can return the stock you need to get costs back to the supplier cost.
...
Your stock on hand is now at the original supplier cost.
Drill to the import cost creditors and allocate the negative invoice to the original positive one.
...