3. In the event that important characteristics, subsystems or safety components of existing cableway installations undergo modifications for which a new authorisation for entry into service is required by the Member State concerned, such modifications and their repercussions on the cableway installation as a whole shall satisfy the essential requirements set out in Annex II.

4. Member States shall not use the procedures referred to in paragraph 1 to prohibit, restrict or hinder, on grounds related to the aspects covered by this Regulation, the construction and the entry into service of cableway installations which comply with this Regulation and do not present a risk to the health or safety of persons or to property when properly installed in accordance with their intended purpose.

5. Member States shall not use the procedures referred to in paragraph 1 to prohibit, restrict or hinder the free movement of subsystems and safety components which comply with this Regulation.

Article 10

Operation of cableway installations

1. Member States shall ensure that a cableway installation remains in operation only if it complies with the conditions set out in the safety report.

2. Where a Member State finds that an authorised cableway installation which is used in accordance with its intended purpose is liable to endanger the health or safety of persons or property, it shall take all appropriate measures to restrict the conditions of operation of the cableway installation or to prohibit the operation thereof.

CHAPTER II

OBLIGATIONS OF ECONOMIC OPERATORS

Article 11

Obligations of manufacturers

1. When placing their subsystems or safety components on the market or when incorporating them into a cableway installation, manufacturers shall ensure that they have been designed and manufactured in accordance with the essential requirements set out in Annex II.

2. Manufacturers of subsystems or safety components shall draw up the technical documentation set out in Annex VIII (‘technical documentation’) and carry out the relevant conformity assessment procedure referred to in Article 18 or have it carried out.

Where compliance of a subsystem or a safety component with the applicable requirements has been demonstrated by the procedure referred to in the first subparagraph, manufacturers shall draw up an EU declaration of conformity and affix the CE marking.

3. Manufacturers shall keep the technical documentation and the EU declaration of conformity for 30 years after the subsystem or the safety component has been placed on the market.

4. Manufacturers shall ensure that procedures are in place for series production to remain in conformity with this Regulation. Changes in subsystem or safety component design or characteristics and changes in the harmonised standards or in other technical specifications by reference to which the conformity of the subsystem or the safety component is declared shall be adequately taken into account.