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I have a Woocommerce store. A portion of my shipments go to government agencies and corporate locations which require their purchase order number (an order-level attribute, not a customer-level attribute) to be printed on the shipping label. I need to satisfy this requirement for USPS shipping labels in addition to printing my order number on them.
This function appears to be automated on USPS labels for the AmazonBusiness Seller integration with ShippingEasy. I would like a similar automation for the Woocommerce integration that takes the customer provided purchase order number from the Woocommerce Order Post Meta and prints it on USPS Shipping labels along with the Woocommerce order number.
If a specific solution that automates adding Purchase Order Numbers from Woocommerce orders to USPS labels is not high enough priority I could update my store to add the purchase order numbers into a delivery notes field if that information is pulled by the Woocommerce API and added to labels.
As an intermediate solution adding an editable delivery notes field to the Shipping Easy Order Summary page and placing that information on the label would be much better than the current state.