Important dates 11-15.09.2023 IMPORTANT DATES 31/05/2023 – deadline to submit workshop proposals 31/05/2023 – submission of the abstract of oral presentations or posters 30/06/2023 – final acceptance notification 31/07/2023 – registration of participants at Early Bird fees (PLN 800 regular, PLN 400 reduced: students, Eastern countries: Ukraine) 31/07/2023 – participant cancellation deadline (full refund), no refund after this date 31/08/2023 – completion of registration of participants – regular fees (PLN 1000 regular, PLN 500 reduced).