ICTM joined COST Аction CA20129 - Multiscale Irradiation and Chemistry Driven Processes and Related Technologies, MultIChem. This COST action is one of 40 approved out of 502 submitted proposals under call OC-2020-1. Representatives of Serbia in the Management Committee of this action are Dr. Dragutin Ševic (Institute of Physics) and Dr. Matija Zlatar (ICTM), who were secondary proposers. The expected start of this COST action is 04.10.2021. and will last until 03.10.2025.