(27)In order to ensure a balance between a solid prudential approach and competition in the credit rating market, the draft implementing technical standards should be amended in respect of provisions that may cause undue material disadvantage to smaller/newer ECAIs due to their more recent entrance in the market, in particular the provisions concerning application of a more conservative treatment in case of limited data, the entry into force of a new mapping automatically as of 2019, the provision concerning the review of the mapping and the mapping tables applicable as of 2019.