Yes, physical copies are essential to the certification process. You must submit physical copies of labels to receive a passing grade. If you wish to submit an electronic copy in advance to ensure syntax and layout are correct, please note that evaluation of a physical copy is still required and will be chargeable as an additional certification attempt.
It is best to use a courier that provides tracking information and proof of delivery, such as UPS, FedEx, or DHL. We are unable to provide status updates on shipments that are not tracked. Label samples sent via standard United States Postal Service, or Canada Post often take up to two full weeks to arrive.