CSN EN ISO 12402-9 This document specifies the processes for evaluation of personal flotation devices for fulfilment of the requirements in ISO 12402-2:2020 to ISO 12402-6:2020, with which this document is intended to be used. The classification of PFDs used in the ISO 12402 series: 2020 is given in Annex A for information. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.