(11)This Decision should lay down the methodology and procedures for the determination and collection of data regarding the fee factors, as well as procedures for the submission of fee factors by fee debtors which need to continue reporting separately for the purpose of calculating the supervisory fees and by NCAs to the ECB. In particular, the format, frequency and timing of such submission, as well as the types of quality checks that NCAs should perform before submitting fee factors to the ECB, should be specified.