Shipping policy

Who pays the shipping costs in the case of a refund when the order doesn't have free shipping?
Regarding the order, no changes will be detected from customer’s end.
Who pays the shipping costs in the case of a refund when the order has free shipping?
If the order has free shipping, the customer may still be responsible for the return shipping costs, unless the return is due to a fault on our part (e.g., a defective or incorrect item).