2.3.1 General considerations 2.3.2 Request for rectification of obvious mistakes (Rule 91) 2.3.3 Incorporating missing parts or elements, or correct parts or elements, completely contained in the priority document 2.3.4 Correct elements or parts notified after the start of the search and additional fee Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/b_iii_2_3.htmDate retrieved: 17 May 20217 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 Purpose of Part B Loading...XGL-PCT B III 2 The subject of the search Loading...XGL-PCT B III 2.1 Basis for the search Loading...XGL-PCT B III 2.3.1 General considerations Loading...XGL-PCT B III 2.3.2 Request for rectification of obvious mistakes ( Rule 91 ) Loading...XGL-PCT B III 2.3.3 Incorporating missing parts or elements , or correct parts or elements, completely contained in the priority document Loading...XGL-PCT B III 2.3.4 Correct elements or parts notified after the start of the search and additional fee Loading...