Time-limits provided for in Regulation (EC) No 659/1999 and in this Regulation or fixed by the Commission pursuant to Article 88 of the Treaty shall be calculated in accordance with Regulation (EEC, Euratom) No 1182/71, and the specific rules set out in paragraphs 2 to 5 of this Article. In case of conflict, the provisions of this regulation shall prevail.

Time limits shall be specified in months or in working days.

With regard to timelimits for action by the Commission, the receipt of the notification or subsequent correspondence in accordance with Article 3(1) and Article 3(3) of this Regulation shall be the relevant event for the purpose of Article 3(1) of Regulation (EEC, Euratom) No 1182/71.

With regard to timelimits for action by Member States, the receipt of the relevant notification or correspondence from the Commission in accordance with Article 3(2) of this Regulation shall be the relevant event for the purposes of Article 3(1) of Regulation (EEC, Euratom) No 1182/71.

With regard to the time-limit for the submission of comments following initiation of the formal investigation procedure referred to in Art. 6(1) of Regulation (EC) No 659/1999 by third parties and those Member States which are not directly concerned by the procedure, the publication of the notice of initiation in the Official Journal of the European Union shall be the relevant event for the purposes of Article 3(1) of Regulation (EEC, Euratom) No 1182/71.

Any request for the extension of a time-limit shall be duly substantiated, and shall be submitted in writing to the address designated by the party fixing the time-limit at least two working days before expiry.