Between 18th and 22nd November the group meetings of the International Electrotechnical Commission (IEC) took place in Milan (Italy). These are responsible for the review of the international regulation of lightning protection IEC 62305. This regulation review was performed for its four parts (General Principles, Risk management, Physical Damage to Structures and Life hazards, Electrical and Electronic Systems in Structures). In addition, a general assembly of IEC Group 81 (Lightning Protection) was held.