V2.1 – Made 'parcel-characteristics' and child element 'weight' optional.
2002 – Updated AuthorizedReturnType to include create-public-key boolean element to generate publicly accessible label
– Updated create-authorized-return-response to include optional public-key-info
2302 - Added to request: customer-barcode, customer-barcode-type, and create-qr-code
- Added to response: customer-barcode and qr-code
2308 - Added to request: box-free
- Added to response: qr-code with text label