Article 7 — Data sets and metadata to be transmitted to the Commission

1. Member States shall transmit to the Commission (Eurostat) pre-checked data sets and metadata in accordance with the Annex, using a technical format to be specified by the Commission (Eurostat). Single entry point services shall be used to transmit the data sets and metadata to the Commission (Eurostat). 2. Where Member States publish data sets required by this Regulation at national level earlier than the transmission deadlines established in the Annex or in the delegated acts adopted pursuant to Article 5(9), Member States shall provide those data sets to the Commission (Eurostat) without undue delay, and in any event within 30 calendar days of the date of national publication or by the transmission deadlines established in the Annex or in those delegated acts, whichever is the earlier. 3. Member States shall transmit to the Commission (Eurostat): (a) revised data sets and metadata if a revision is conducted after the data sets required under this Regulation were initially provided; (b) revised data sets and metadata for relevant time series if a revision is conducted on data sets provided to the Commission (Eurostat) before the application of this Regulation. The Member States shall transmit to the Commission the revised data sets and metadata referred to in the first subparagraph of this paragraph within 14 calendar days of the revision, together with quality reporting in accordance with Article 11. Member States shall inform the Commission without undue delay of any decision to revise data sets or metadata as referred to in this paragraph.