# Article 1 — Frequency and dates of the calculation required by Article 50a(3) of Regulation (EU) No 648/2012 **Commission Implementing Regulation (EU) No 484/2014 · binding · OJ L 138, 13.5.2014 · dated 12 May 2014 [in force]** *In force · Commission Implementing Regulation (EU) No 484/2014, OJ L 138, 13.5.2014 · Checked against EUR-Lex on 20 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_impl/2014/484/oj/eng)* 1. The frequency of the calculation specified in [Article 50a(3)](../../articles/50a.md) of Regulation (EU) No 648/2012 shall be monthly except where the discretion provided for in Article 3(1) of this Regulation is exercised, in which case the frequency shall be either weekly or daily. 2. Where the frequency of the calculation referred to in paragraph 1 is monthly, the CCP shall apply both of the following: **(a)** the reference days for that calculation shall be as follows: January 31, February 28 (or February 29 in a leap year), March 31, April 30, May 31, June 30, July 31, August 31, September 30, October 31, November 30, December 31; **(b)** the day on which the CCP shall undertake that calculation (day of calculation) shall be respectively: February 1, March 1, April 1, May 1, June 1, July 1, August 1, September 1, October 1, November 1, December 1, January 1. 3. Where the frequency referred to in paragraph 1 is weekly or daily, the day of the first calculation shall fall on the day following the day of the request of the competent authority. The first reference day shall be the day of the request of the competent authority. For the subsequent calculations the reference day shall be the day before the day of calculation. In case of weekly calculation, the time span between the days of calculation shall be 5 working days. 4. Where the day of calculation is a public holiday, Saturday or Sunday, the calculation shall be carried out on the following working day.