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Default Label: If you want the default label that prints when a shipment is created to be this label you are customizing, select thischeckbox.
SPS Commerce: If you have using SPS Commerce generated labels enabled, you will see this option. For more information, see https://shiphawk.atlassian.net/l/cp/70tygnS7 .
Layout: Use this field to select the type of label you are creating. Choose from either a UCC-128 or Amazon SSCC label.
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