1. Substitute sheets (Rule 26) 2. Request for rectification of obvious mistakes in the application documents (Rule 91) Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/h_iv.htmDate retrieved: 17 May 20216 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO PCT GL - B SearchXGL-PCT B III 2.3.1 General considerations Loading...EPO PCT GL - H Amendments and CorrectionsXGL-PCT H Introduction Loading...XGL-PCT H I 2 Amendments before receipt of the search report Loading...XGL-PCT H II 2.2.4 Priority documents Loading...XGL-PCT H IV 1 Substitute sheets ( Rule 26 ) Loading...XGL-PCT H IV 2 Request for rectification of obvious mistakes in the application documents ( Rule 91 ) Loading...