DIN 820-13 specifies rules for the structure and drafting of DIN documents in which CEN and CENELEC documents or European standards of ETSI (former designation: ETS) are generally adopted in German only, in special cases with the additional inclusion of one or all language versions or, in justified individual cases, in English Version only. This document may also be used mutatis mutandis for the adoption of other ETSI documents. The provisions of this document are applicable to the following CEN, CENELEC or ETSI documents: European Standards (EN), Harmonization Documents (HD), Technical Specifications (TS), Technical Reports (TR), CEN Workshop Agreements (CWA) and Guides. They are adopted by DIN as standards, technical specifications, technical reports or supplements. The adoption options are listed in Table A.1. This document is also applicable for the adoption of electronic versions of documents issued by CEN, CENELEC or ETSI. The responsible body is the working committee NA 173-00-02 AA "Design of standards" in the DIN Standards Committee Principles of Standardization (NAGLN).