a) Requirements b) Reference to more than one communication Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_iii_k_3_5_4.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.Case Law Book: III AmendmentsXCLR III K Formal aspects of decisions of EPO departmentsLoading...XCLR III K 3.5 Decisions according to the state of the fileLoading...XCLR III K 3.5.4.A RequirementsLoading...XCLR III K 3.5.4.B Reference to more than one communicationLoading...