---
title: "IS 3521 (Part 1):2021 vs IS 3521:1999: What Changed for Full Body Harness Buyers in India"
url: "https://indianinovatix.com/is-3521-part-1-2021-vs-1999-full-body-harness/"
date: "2026-10-22T23:54:04+05:30"
modified: "2026-10-22T23:54:04+05:30"
author:
  name: "Indianinovatix"
categories:
  - "Uncategorized"
word_count: 0
reading_time: "1 min read"
keywords: "Uncategorized"
language: "en"
schema_type: "Article"
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---

# IS 3521 (Part 1):2021 vs IS 3521:1999: What Changed for Full Body Harness Buyers in India

_Published: October 22, 2026_  
_Author: Indianinovatix_  




---

_View the original post at: [https://indianinovatix.com/is-3521-part-1-2021-vs-1999-full-body-harness/](https://indianinovatix.com/is-3521-part-1-2021-vs-1999-full-body-harness/)_  
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_Generated: 2026-10-22 18:24:04 UTC_