In case of an accident or regulatory inspection (e.g., HSE investigation), using an unauthorized standard invalidates your legal defense (PUWER 1998, LOLER 1998 in the UK).
The current version of this standard is , which superseded the older 2003+A2:2009 edition. A further update, BS EN 13155:2020+A1:2025 , has been introduced to incorporate the latest safety protocols and amendments. BS EN 13155:2020 | 31 Dec 2020 - BSI Knowledge Bs En 13155 Pdf Free Download
Conclusion