If I receive an invoice to pay customs fees, should I pay for it? 

In most cases, Optimalprint automatically pays for any customs related fees on an order which could not be fulfilled locally, and therefore would be no required fees to pay. 

If you have currently been requested by any of our shipping partners to pay for customs on your order, and you have not paid it yet: 

If they state that you MUST pay customs:  

If you have already paid it: