Forward invoices to accounts-payable@cern.ch if received by mistake.

Verify invoices received from accounts payable on the basis of conditions defined in the contract / OV (order).

Approve or reject discrepancies identified in invoices by accounts payable via EDH. Sign and date invoice if compliant.

Submit signed and dated invoice to accounts payable (accounts-payable@cern.ch), with appropriate supporting document – as necessary.

In case of rejection, provide appropriate justification to accounts payable.

Check invoices carefully: sign an invoice is an authorisation to pay.