1.   Competent authorities shall monitor and assess the completeness of the reference data they receive from a trading venue or systematic internaliser, and the compliance of that data with the standards and formats specified in Table 3 of the Annex.

2.   Following receipt of reference data in respect of each day on which trading venues and systematic internalisers are open for trading, competent authorities shall notify trading venues and systematic internalisers of any incompleteness in that data and of any failure to deliver reference data by the deadlines set out in Article 2.

3.   ESMA shall monitor and assess the completeness of reference data it receives from competent authorities, and compliance of the data with the standards and formats specified in Table 3 of the Annex.

4.   Following receipt of reference data from competent authorities, ESMA shall notify them of any incompleteness in that data and of any failure to deliver reference data by the deadlines set out in Article 7(1).