1.Member States shall provide the Commission (Eurostat) with the harmonised indices and all sub-indices by no later than:
(a)15 calendar days, for the February to December indices, and 20 calendar days, for the January indices, after the end of the month for which the indices are calculated; and
(b)85 calendar days after the end of the quarter for which the indices are calculated.
2.Member States shall provide the Commission (Eurostat) with the updated weights by no later than:
(a)13 February each year for the monthly indices;
(b)15 June each year for the quarterly indices.
3.Member States whose currency is the euro shall provide the Commission (Eurostat) with the flash estimate of the HICP no later than the penultimate calendar day of the month to which the flash estimate refers.
4.Member States shall provide the Commission (Eurostat) with the data and metadata required by this Regulation in accordance with data and metadata exchange standards.
5.Harmonised indices and their sub-indices that have already been published may be revised.
6.The Commission shall adopt implementing acts specifying in detail the data and metadata exchange standards referred to in paragraph 4, and the uniform conditions for the revision of harmonised indices and their sub-indices as referred to in paragraph 5. Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 11(2).