The contents of the description do not require close scrutiny – it is sufficient to identify a document (or documents) which appear(s) to include a description. If instead of filing a description, the applicant has filed a reference to a previously filed application, see A‑II, 4.1.3.1.
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/a_ii_4_1_3.htm
Date retrieved: 17 May 2021