The Bureau of Indian Standards (Department of Consumer Affairs) has issued a notification, reference HQ-PUB015/1/2020-PUB-BIS (1339), dated September 30, 2025, regarding amendments to Indian Standards.
**Schedule of Amendments:**
1. **IS 3504: 2006 Thymol – Specification (Third Revision):** Amendment No. 1, September 2025 was established on September 23, 2025. The standard without the amendment remains in force until March 22, 2026.
2. **IS 16544: 2016 All Glass Evacuated Tubes Solar Water Heating System:** Amendment No. 3, September 2025 was established on September 23, 2025. The standard without the amendment remains in force until March 22, 2026.
3. **IS 17236: 2019 Prevention and Safety Against Fire in Ropeways - Code of Practice:** Amendment No. 1, September 2025 was established on September 23, 2025. The standard without the amendment remains in force until March 22, 2026.
Praveen Khanna, Scientist G & DDG (P&C)
[ADVT.-III/4/Exty./394/2025-26]
Key Entities Referenced
Bureau of Indian Standards Rules, 2018: Rules governing the Bureau of Indian Standards, specifically Rule 15 which allows for amendments to Indian Standards.
Indian Standard: Generic reference to the standards being amended in the notification.
Bureau of Indian Standards: The primary regulator amending the Indian Standards.
IS 3504 : 2006: Indian Standard for Thymol - Specification (Third Revision)
IS 16544 : 2016: Indian Standard for All Glass Evacuated Tubes Solar Water Heating System
रजिस्ट्री स.ं डी.एल.- 33004/99 REGD. No. D. L.-33004/99
सी.जी.-डी.एल.-अ.-07102025-266746
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CG-DL-E-07102025-266746
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असाधारण
EXTRAORDINARY
भाग III—खण् ड 4
PART III—Section 4
प्राजधकार स ेप्रकाजित
PUBLISHED BY AUTHORITY
स.ं 660] नई दिल्ली, सोमिार, अक्त बू र 6, 2025/आजि न 14, 1947
No. 660] NEW DELHI, MONDAY, OCTOBER 6, 2025/ASVINA 14, 1947
भारतीय मानक ब्य रू ो
(उपभोक्त ा मामल े जिभाग)
अजधसचू ना
नई दिल्ली, 30 जसतम्बर, 2025
सिं भ:भ HQ-PUB015/1/2020-PUB-BIS (1339).—भारतीय मानक ब्यूरो जनयम, 2018 के जनयम 15 के
उपजनयम (1) के अनुसरण म ेंभारतीय मानक ब्यरू ो एतिद्वारा अजधसूजचत करता ह ैइसमें सलं ग्न अनूसूची में दिय ेगय ेमानकों
में संिोधन दकय ेगय ेह|ैं
अनसु चू ी
क्रम स्ट्थाजपत भारतीय मानकों की सख्ं या, िर् भतथा सिं ोधनों की सिं ोधनों की जतजथ िब तक
स.ं सख्ं या एि ं जतजथ प्रजतस्ट्थापन जतजथ मानक तीसरे
िीर्कभ
स्ट्तभं म ेंइंजगत
सिं ोधन के जबना
भी लाग ूरहगे ा
(1) (2) (3) (4) (5)
आई एस 3504 : 2006
1 संिोधन संख्या 1 23 जसतंबर 2025 22 माचभ 2026
थाइमोल — जिजिजि
(तीसरा पनु रीक्षण ) जसतंबर 2025
6683 GI/2025 (1)2 THE GAZETTE OF INDIA : EXTRAORDINARY [PART III—SEC.4]
2 आई एस 16544 : 2016 संिोधन संख्या 3 23 जसतंबर 2025 22 माचभ 2026
समस्ट्त ग्लास इिेक्यूएटिड नजलका सौर िल जसतंबर 2025
तापन प्रणाली
3 आई एस 17236 : 2019 संिोधन संख्या 1 23 जसतंबर 2025 22 माचभ 2026
रोपिे में अजग्न जिरुद्ध रोकथाम एिं सुरक्षा — जसतंबर 2025
रीजत संजहता
प्रवीण खन्ना, वैज्ञाननक जी एवं उप महाननदेशक (पी एव ं सी)
[जिज्ञापन-III/4/असा./394/2025-26]
BUREAU OF INDIAN STANDARDS
(Department of Consumer Affairs)
NOTIFICATION
New Delhi, the 30th September, 2025
Ref: HQ-PUB015/1/2020-PUB-BIS (1339).—In pursuance of Sub-rule (1) of Rule (15) of the Bureau of
Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Amendments to Indian standards,
particulars of which are given in schedule hereto annexed have been established.
SCHEDULE
Sl No., Year & Title of the Indian Standard No. and Date of Date till which
No. Month/Year of Establishment of the standard
the Amendment the Amendment without the
amendment as
mentioned in
column 3 shall
remain in force
(1) (2) (3) (4) (5)
1 IS 3504 : 2006 Amendment No. 1 23 September 2025 22 March 2026
Thymol — Specification September 2025
(Third Revision)
2 IS 16544 : 2016 Amendment No. 3 23 September 2025 22 March 2026
All Glass Evacuated Tubes Solar Water September 2025
Heating System
3 IS 17236 : 2019 Amendment No. 1 23 September 2025 22 March 2026
Prevention and Safety Against Fire in September 2025
Ropeways — Code of Practice
PRAVEEN KHANNA, Scientist G & DDG (P&C)
[ADVT.-III/4/Exty./394/2025-26]
Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi-110064
and Published by the Controller of Publications, Delhi-110054.