Given the epidemiological situation regarding the COVID-19 virus, the 13th Scientific-Technical Conference: Carbon Materials and Polymer Composites together with the Polish Carbon Fall Meeting is moved to spring 2021. The conference will be held between the 20th and 23rd of April in Ustroń-Jaszowiec. The new deadline for registration has been extended to 15 March 2021. The new deadline for abstract submission and conference fee payment is 31 March 2021.