In an arrangement and method for data processing in a mail shipping system, a document is supplied to the mail shipping system having information printed thereon identifying a carrier to be used for shipping the document and/or cost center information identifying a cost center which produced the document....http://www.google.co.uk/patents/US6282525?utm_source=gb-gplus-sharePatent US6282525 - Method and arrangement for data processing in a mail shipping system having a postage meter machine wherein a carrier-identifying mark is scanned and processed