Amgen Invoice Guidelines
https://www.amgen.com/-/media/Themes/CorporateAffairs/amgen-com/amgen-com/downloads/invoicesubmittaladdresslist.pdf?la=en&hash=5066A34A775A600712AA476BB0AC5404
Web1. E-Invoicing through Ariba Network (for Amgen US and Canada entities) and Tungsten Network (for all other Amgen entities) Amgen’s preferred method is to receive invoices electronically via the Ariba Network, our e-Invoicing partner for Amgen US and Canada entities or Tungsten Network, our e-Invoicing partner for all other Amgen entities.
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