1. The competent authority of the trading venue where a share or depositary receipt was first admitted to trading or has been traded for the first time before the date of application of Regulation (EU) No 600/2014, shall collect the necessary data and calculate and ensure the publication of the average daily number of transactions for that financial instrument and for that trading venue within the following time limits:

(a) no later than 4 weeks prior to the date of application of Regulation (EU) No 600/2014 where the date on which shares or depositary receipts are traded for the first time on a trading venue within the Union is a date not less than 10 weeks prior to the date of application of Regulation (EU) No 600/2014;

(b) no later than the date of application of Regulation (EU) No 600/2014 where the date on which financial instruments are traded for the first time on a trading venue within the Union is a date falling within the period commencing 10 weeks prior to the date of application of Regulation (EU) No 600/2014 and ending on the day preceding the date of application of Regulation (EU) No 600/2014.

2. The calculations referred to in paragraph 1(a) shall be carried out as follows: