(4)In addition, one ECAI registered in accordance with Articles 14 to 18 of Regulation (EC) No 1060/2009, and for which a mapping was provided in Implementing Regulation (EU) 2016/1799, has amended the symbols used to denote the rating categories of its rating scales. It is therefore necessary to amend the mapping for that ECAI to reflect the current symbols used by that ECAI.