Date: 2026-08-12Category: Extra OrdinaryState: Union GovernmentCountry: India
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,
**Executive Summary**
The Bureau of Indian Standards (BIS) has issued a notification under the Bureau of Indian Standards Rules, 2018, announcing amendments to three specific Indian Standards. These amendments were established on August 3, 2026, and will coexist with the unamended versions until February 2, 2027. The primary purpose is to update technical specifications for plywood, hearing protectors, and stainless steel sinks.
**Key Points / Main Content**
**Amendments to Technical Specifications**
* **Plywood for Concrete Shuttering:** Amendment No. 1 has been established for **IS 4990 : 2024** (Fourth Revision).
* **Hearing Protectors:** Amendment No. 1 has been established for **IS 9167 : 2025** (First Revision).
* **Stainless Steel Sinks:** Amendment No. 4 has been established for **IS 13983 : 1994**, which covers sinks for domestic purposes.
**Implementation Timelines**
* **Establishment Date:** All mentioned amendments were officially established on August 3, 2026.
* **Transition Period:** The existing standards (without the new amendments) will remain in force concurrently until February 2, 2027.
* **Effective Date for Sole Compliance:** After February 2, 2027, the standards must be followed as per the new amendments mentioned in the notification.
**Impact Analysis**
**Manufacturers of Plywood, Hearing Protectors, and Stainless Steel Sinks**
**Impact**
Manufacturers will need to align their production processes and quality control measures with the updated specifications (Amendment No. 1 for IS 4990 and IS 9167, and Amendment No. 4 for IS 13983).
**Action Required**
They must review the specific details of the amendments and update their manufacturing protocols before the transition period ends on February 2, 2027.
**Testing and Certification Bodies**
**Impact**
Laboratories and certification agencies must update their testing procedures and documentation to reflect the new amendments to ensure products meet the revised criteria.
**Action Required**
Update internal laboratory manuals and testing equipment where necessary to accommodate the revised standards by the February 2027 deadline.
**Regulatory and Enforcement Authorities**
**Impact**
The Bureau of Indian Standards and other regulatory bodies will use these amended standards for compliance monitoring and market surveillance.
**Action Required**
Ensure that all inspections and quality certifications issued after the transition period adhere strictly to the newly amended standards.
Key Entities Referenced
Bureau of Indian Standards (BIS): The national standards body of India responsible for the notification and establishment of amendments to Indian Standards.
Bureau of Indian Standards Rules, 2018: The legal framework under which the amendments to the Indian standards mentioned in the schedule were established.
IS 4990 : 2024 (Plywood for Concrete Shuttering Works): A specific Indian standard being amended to update specifications for plywood used in concrete construction.
IS 9167 : 2025 (Hearing Protectors): An Indian standard for hearing protection equipment undergoing its first revision and amendment.
IS 13983 : 1994 (Stainless Steel Sinks for Domestic Purposes): An Indian standard for domestic stainless steel sinks, which has been updated with its fourth amendment.
रजिस्ट्री स.ं डी.एल.- 33004/99 REGD. No. D. L.-33004/99
सी.जी.-डी.एल.-अ.-12082026-275409
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CG-DL-E-12082026-275409
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असाधारण
EXTRAORDINARY
भाग III—खण् ड 4
PART III—Section 4
प्राजधकार स ेप्रकाजित
PUBLISHED BY AUTHORITY
स.ं 499] नई दिल्ली, बुधिार, अगस्ट्त 12, 2026/श्रािण 21, 1948
No. 499] NEW DELHI, WEDNESDAY, AUGUST 12, 2026/SHRAVAN 21, 1948
भारतीय मानक ब्य रू ो
(उपभोक्त ा मामल े जिभाग)
अजधसचू ना
नई दिल्ली, 5 अगस्ट्त, 2026
सिं भ:भ HQ-PUB015/1/2020-PUB-BIS (1585).—भारतीय मानक ब्यरू ो जनयम, 2018 के जनयम 15 के
उपजनयम (1) के अनुसरण में भारतीय मानक ब्यूरो एतिद्वारा अजधसूजचत करता ह ै इसम ें संलग्न अनूसूची में दिय े गय े
मानकों में संिोधन दकये गय ेह|ैं
अनसु चू ी
क्रम स्ट्थाजपत भारतीय मानकों की सख्ं या, िर् भ सिं ोधनों की सख्ं या एि ं सिं ोधनों की जतजथ िब तक मानक
स.ं जतजथ प्रजतस्ट्थापन जतजथ तीसरे स्ट्तंभ म ेंइंजगत
तथा िीर्कभ
सिं ोधन के जबना भी
लाग ूरहगे ा
(1) (2) (3) (4) (5)
1 आई एस 4990 : 2024 संिोधन संख्या 1 03 अगस्ट्त 2026 02 फ़रिरी 2027
कंक्रीट िटररंग कायभ के जलए प्लाईिुड — अगस्ट्त 2026
जिजिजि
(चौथा पुनरीक्षण)
6228 GI/2026 (1)2 THE GAZETTE OF INDIA : EXTRAORDINARY [PART III—SEC.4]
2 आई एस 9167 : 2025 संिोधन संख्या 1 03 अगस्ट्त 2026 02 फ़रिरी 2027
श्रिण रक्षक — जिजिजि अगस्ट्त 2026
(पहला पुनरीक्षण)
3 आई एस 13983 : 1994 संिोधन संख्या 4 03 अगस्ट्त 2026 02 फ़रिरी 2027
घरेलू प्रयोिनों के जलए स्ट्टेनलैस इस्ट्पात के अगस्ट्त 2026
ससंक — जिजिजि
एस. के. िमाभ, िैज्ञाजनक एफ एिं उप महाजनिेिक (हॉलमार्किंग)
[जिज्ञापन-III/4/असा./268/2026-27]
BUREAU OF INDIAN STANDARDS
(Department of Consumer Affairs)
NOTIFICATION
New Delhi, the 5th August, 2026
Ref: HQ-PUB015/1/2020-PUB-BIS (1585).—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 No. and Date of Date till which the
No. Standard Month/Year of the Establishment of standard without
Amendment the Amendment the amendment as
mentioned in
column 3 shall
remain in force
(1) (2) (3) (4) (5)
03 August 2026
1 IS 4990 : 2024 Amendment No. 1 02 February 2027
Plywood for Concrete Shuttering August 2026
Works — Specification
(Fourth Revision)
2 IS 9167 : 2025 Amendment No. 1 03 August 2026 02 February 2027
Hearing Protectors — Specification August 2026
(First Revision)
3 IS 13983 : 1994 Amendment No. 4 03 August 2026 02 February 2027
Stainless Steel Sinks for Domestic August 2026
Purposes — Specification
S. K. VERMA, Scientist F & DDG (Hallmarking)
[ADVT.-III/4/Exty./268/2026-27]
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and Published by the Controller of Publications, Delhi-110054.