11. Payment and refund of fees 

Both the preliminary examination fee and the handling fee must be received at the EPO as IPEA one month from the date of receipt of the demand or 22 months from the earliest priority date, whichever expires later. See GL/PCT‑EPO A‑III, 7.1 and GL/PCT‑EPO A-III, 7.2.

For the conditions for refunding the handling fee and the international preliminary examination fee, see GL/PCT‑EPO A‑III, 9.6 and GL/PCT‑EPO A-III, 9.7, respectively.