4.2 The international preliminary examination procedure before the EPO as an IPEA
4.2.026The EPO as IPEA will take into account any SISR (only) if it is available at the time the international preliminary examination is performed. A further written opinion will be issued before the IPER is established in the exceptional case that the contents of the SISR would change the EPO's opinion as set out in the WO‑ISA established by the EPO as ISA.