Second-hand safety components, whatever their date of entry into service when new, are subject to the technical rules of design and construction set out in Annex I to Article R. 4312-1.
However, protective structures conforming to decree no. 90-490 of 15 June 1990 and other safety components conforming to a model which has been the subject of a technical examination certificate or a type examination certificate issued in accordance with the decrees adopted for the application of article L. 233-5 of the Labour Code, as amended by law no. 76-1106 of 6 December 1976, in force until 31 December 1992, are considered to conform to the obligation defined in the first paragraph.