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Print Prepaid Postage Labels feature can be enabled via admin panel and once enabled, a seller will be able to print prepaid postage labels for their sold items. Nash OS uses Stamps.com API to provide such feature inside Nash OS.

NOTA BENE: Stamps.com constantly updates its API, ergo all Nash OS Service Packs include updates to this feature on the permanent basis. Thus make sure your version and service pack of Nash OS is up to date with Nash OS version and service pack.