See ISPE Guidelines 4.06-GL/ISPE 4.07.[Rules 5.1(a)(iii); 9.1(iii); ]Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/f_ii_4_5.htmDate retrieved: 17 May 20214 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 - F (not assigned)XGL-PCT F General Loading...XGL-PCT F II 4 Description (formal requirements) Loading...PCT Implementing RulesXR.5 PCT The DescriptionLoading...XR.9 PCT Expressions, Etc., Not to Be UsedLoading...