本文件提供了选择和应用符合ISO 12402系列:2020相关部分的个人漂浮装置（PFD）和符合ISO 15027（所有部分）:2012的浸入式防护服的要求和建议。 其目的是帮助制造商、供应商、用户和监管机构根据使用环境适当选择和应用这些服装。

This document provides requirements and recommendations for the selection and application of both personal flotation devices (PFD) complying with the relevant Parts of the ISO 12402 series:2020, and immersion suits according to ISO 15027 (all parts):2012. It is intended to assist manufacturers, suppliers, users and regulators in the appropriate selection and application of those garments for the circumstances in which they will be used.