It might happen that there was an error in the international search report and the applicant requests correction of that error. In such a case the examiner should consider issuing a corrected ISR (and possibly WO‑ISA).
Further reasons for amending the international search report are indicated in ISPE Guidelines 15.74.
Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/b_iv_3_2.htm
Date retrieved: 17 May 2021