> ## Documentation Index > Fetch the complete documentation index at: https://itemstores.com/help/llms.txt > Use this file to discover all available pages before exploring further. # Fulfilling orders > Purchase order, work order, shipping label An order arrives when a customer checks out of a store, or pays a quote. An order detail page with its status badges, line item and Details panel Go to [Purchase orders](https://itemstores.com/app/purchase-orders) and select **New purchase order**. **Add items** in the Items panel picks the blanks and stock you need. Supplier is filled in from the first item you add, and only that supplier's items can be added afterwards. The New purchase order form with SanMar selected and line items with quantities and unit costs When it arrives, open the purchase order and enter what actually came in the **Received** column, per line. Less than you ordered is how a partial delivery is recorded. More than the ordered quantity is rejected. If the whole order arrived, **Mark received** fills in every remaining line at once. A purchase order's items panel with the Quantity and Received columns side by side Go to [Production](https://itemstores.com/app/production) and select **New work order**. **Add items** picks what to produce, and **Create work order** stays disabled until at least one item is on it. Items carry their mockup, artwork, placement and decoration method, so the work order is what production actually prints from. The New work order form, with items on the left and the Artwork panel with placements and quantities on the right Go to [Shipping](https://itemstores.com/app/shipping) and select **New shipping label**. Pick the orders in **Select orders to ship**, then **Continue** to open Buy shipping label, where you choose a rate and buy it. You need a carrier added in [Settings › Shipping](https://itemstores.com/app/settings/shipping) first, and a shipping origin address on the store or on your business. USPS and Canada Post labels are paid for with Itemstores credits; UPS bills your own account. Buy shipping label, with the addresses and packaged items on the left and the carrier rates on the right ## Tracking When you buy a label through Itemstores, tracking updates on its own as the carrier scans the parcel, so there is nothing to enter. If you ship outside Itemstores, open the order and use **Add tracking number** in the shipment's more actions menu. Each step above has its own guide: [Purchase orders](/help/knowledge-base/purchase-orders), [Production](/help/knowledge-base/production) and [Shipping](/help/knowledge-base/shipping). A shipment with its tracking number, carrier service and delivery status filled in automatically