NCBs shall transmit to the ECB:

1. (a)

   quarterly security-by-security sectoral data in accordance with paragraphs (1), (2), (2a) and (5) of Article 3 by 18.00 CET on the 70th calendar day following the end of the quarter to which the data relate; or

2. (b)

   monthly security-by-security sectoral data in accordance with Article 3(5) and Part 1 of Chapter 1 of Annex I, in accordance with (i) or (ii) below:

   1. (i)

      on a quarterly basis for the 3 months of the reference quarter, by 18.00 CET on the 63rd calendar day following the end of the quarter to which the data relate; or

   2. (ii)

      on a monthly basis for each month of the reference quarter, by 18.00 CET on the 63rd calendar day following the end of the month to which the data relate.