1. 1. Initial DQM shall be applied to the end-month preview data for the reference month of the current production round.
2. 2. The ECB and NCBs shall verify DQM exceptions to ensure that, after initial DQM has been applied, output feed data and initial CSEC aggregate statistics reflect the most recent developments.
3. 3. When conducting initial DQM, the ECB and NCBs shall rely solely on information that is readily available to them.