Before sending samples, you will be provided a Sample Information Form (SIF) to fill out. Once completed, please return an electronic copy and include a printed copy in your sample package. For sample requirements, delivery address, and shipment advice please contact inquiry@novogeneusa.com, (North and South America) or your local account manager directly. Please note: In America, Novogene does not accept USPS as a shipping provider. Please choose other couriers such as FedEx, UPS, DHL, etc.)