Article 7 4.

For the purpose of Article 11(7), the undertakings which sell non-hermetically sealed equipment charged with fluorinated greenhouse gases listed in Annex I and in Section 1 of Annex II shall keep records of the equipment sold and of the certified undertakings that will carry out the installation. The undertakings selling the equipment referred to in Article 11(7) shall keep the records for a period of at least 5 years and shall make those records available, upon request, to the competent authority of the Member State concerned.