(13)To simplify the payment of certification fees, 50 % of the fee should be refunded in case a credit rating agency withdraws its application before ESMA has notified the completeness of the application. If a credit rating agency withdraws its application after ESMA has notified the credit rating agency that the application is complete the certification fee should not be refunded. Certified credit rating agencies should not pay an annual supervisory fee according to Article 7(1) of Delegated Regulation (EU) No 272/2012 in the year during which its certification takes effect.