What informations must my invoice contain?

  • the date of issue

  • invoice number

  • the supplier’s full name and address

  • the supplier’s VAT identification number

  • the supplier bank account details – IBAN and SWIFT code or the complete bank account number – should also appear on invoices. Payment slips are not necessary

  • CERN name and address

  • the CERN order number(s) or CERN contract number or lacking that your technician contact at CERN

  • a description of the quantity and nature of the goods supplied or services rendered

  • the date of the supply

  • the VAT rate applied

  • the VAT amount payable

  • a break-down of the VAT amount payable per VAT rate or exemption

  • the unit price of the goods or services exclusive of tax, discounts or rebates (unless included in the unit price)