Commission Implementing Decision (EU) 2021/2273 of 20 December 2021 amending Implementing Decision (EU) 2019/1956 as regards harmonised standards for laser products, adjustable speed electrical power drive systems, power electronic converter systems and equipment, luminaires, low-voltage switchgear and control gear, uninterruptible power systems (UPS) and certain other electrical equipment designed for use within certain voltage limits (Text with EEA relevance)