From 1 January 2021, the UKCA mark became the conformity assessment for newly manufactured goods being sold in the Great Britain (GB) market, replacing the CE mark(for second hand goods see paragraph 5.9). This document provides a brief overview of what UK companies need to do to continue using the CE marking, to sell into the Europe(EU)and Northern Ireland(NI)markets, as well as adopt the UKCA mark, to sell into the GB market. Please find the document attached.