IS 3521(Part 1):2021

About this certification

IS 3521 (Part 1): 2021 is an Indian Standard published by the Bureau of Indian Standards (BIS) that specifies the exact requirements, testing methods, and manufacturing guidelines for full-body harnesses used in personal fall arrest systems (PFAS). It is a critical industrial safety standard designed to protect workers from fall-related injuries while operating at heights or in confined spaces.