If your institution has already paid the invoice and you require a reimbursement, OpenAIRE needs a combined pdf document with the original invoice and a 'request for reimbursement' from your institution to Athena Research Centre, using the following billing information:

"Athena" Research Centre
Artemidos 6 & Epidavrou
GR-151 25, Athens - GREECE
Phone: +30 210 6875 300 Fax +30 210 6875 485
VAT NUMBER: EL999723442

Make sure that the bank information entered is your institution's and not the publisher (as they have already been paid!)

Invoices and requests for reimbursement should always mention our VAT number, but can under no circumstance contain VAT.

Regardless of whether the invoice has already been paid, a funding request should always be submitted through the central system for any payment to be made from the FP7 Post-Grant OA Pilot."