S.L. 427.39 Art. 5Making available on the market and putting into service.

(1) Products falling within the scope of these regulations may be made available on the market and put into service only if, they are properly installed and maintained and used in accordance with their intended use,

(2) The provisions of these regulations shall not prevent from laying down any requirements deemed necessary to ensure that persons and, in particular, workers are protected when using relevant products provided that this does not mean that such products are modified in a way not specified in these regulations.

(3) At trade fairs, exhibitions and demonstrations, the showing of products which do not comply with these regulations shall not be prevented, provided that a visible sign clearly indicates that such products do not comply with these regulations and that they are not for sale until they have been brought into conformity by the manufacturer. During demonstrations, adequate safety measures shall be taken to ensure the protection of persons.