1. In accordance with the production timetable set out in Table 2 of Annex II to this Guideline, the ECB and NCBs shall verify:
((a))
the end-month preview output feed data that are subject to initial DQM;
((b))
the output feed data that are subject to regular DQM;
((c))
the initial CSEC aggregate statistics;
((d))
the regular CSEC aggregate statistics.
2. If the ECB and NCBs identify data quality issues during the verification process, they shall correct these issues in accordance with the same timetable.