e-invoicing requirements

The table below shows the data fields which must be included in your e-invoices (in both XML data and invoice image)

Mandatory fields are marked with asterisk (*)

Fields	Comments
Supplier name *
Supplier address *
Supplier organization number *	Organization number, Y-tunnus, Business ID
Supplier VAT registration number *	VAT registration number
Supplier bank name *
Supplier bank account number *
Supplier e-invoicing address *
Supplier e-mail address
Our entity´s name *	Invoicing addresses
Our invoicing address *
Our delivery address
Order number *	Mandatory if we have provided Purchase order number
Our reference person *	Mandatory to have Fortum reference person´s e-mail address stated in the invoice
Contract number	Mandatory, when we have provided a contract number to be referred in the invoice
Delivery Note
Invoice number *
Invoice date *
Invoice due date *	According to payment term agreed in contract
Invoice cash discount due date
Invoice amount including VAT *
Invoice amount excluding VAT *
VAT amount *
Invoice cash discount amount
Currency
Payment term
Taxation information	For EU purchases, invoice should contain a statement of VAT compliance - reverse charge. For domestic purchases there has to be stated why the invoice is not subject to VAT.

Order number

–TEAPPS /INVOICE/HEADER/ORDER_INFORMATION/ORDER_NUMBER

–Finvoice /Finvoice/InvoiceDetails/OrderIdentifier

–Svefaktura /AdditionalDocumentReference/cac:ID[@identificationSchemeID="ORDER"]

–OIOXML com:ReferencedOrder/com:BuyersOrderID

–OIOUBL //cac:OrderReference/cbc:ID

–EHF //cac:OrderReference /cbc:ID

Contract number

–TEAPPS /INVOICE/HEADER/CONTRACT_INFORMATION/CONTRACT_NUMBER

–Finvoice /Finvoice/InvoiceDetails/AgreementIdentifier

–OIOXML com:ReferencedOrder/com:SellersOrderID

–OIOUBL //cac:ContractDocumentReference/cbc:ID

–EHF //cac:ContractDocumentReference/cbc:ID

Reference person

–TEAPPS /INVOICE/RECEIVER/CUSTOMER_INFORMATION/CONTACT_INFORMATION/CONTACT_PERSON

–Finvoice /Finvoice/BuyerContactPersonName

–Svefaktura /Invoice/cac:BuyerParty/cac:Party/cac:Contact/cbc:Name

–OIOXML com:BuyerParty/com:BuyerContact/com:Name

–OIOUBL cac:AccountingCustomerParty/cac:Party/cac:Contact/cbc:Name

–EHF //cac:AccountingCustomerParty/cac:Party/cac:Contact/cbc:Name

Delivery note

–TEAPPS /INVOICE/HEADER/NOTE_NUMBER

–Finvoice /Finvoice/DeliveryDetails/DeliveryNoteIdentifier

–Svefaktura /Invoice/cac:InvoiceLine/cac:DespatchLineReference/cac:DocumentReference/cac:ID

–OIOXML com:Note