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REGD. No. D. L.-33004/99
The Gazette of India
CG-DL-E-13042026-271776
EXTRAORDINARY
PART III—Section 4
PUBLISHED BY AUTHORITY
No. 254]
NEW DELHI, FRIDAY, APRIL 10, 2026/CHAITRA 20, 1948
2571 GI/2026
BUREAU OF INDIAN STANDARDS
(Department of Consumer Affairs)
NOTIFICATION
New Delhi, the 1st April, 2026
Ref: HQ-PUB013/1/2020-PUB-BIS (1515). — 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 Indian standards, particulars of which
are given in the second column of the schedule hereto annexed have been established on the date indicated against it in
third column. The particulars of the standards, if any which are given in the fourth column shall also remain in force
concurrently till they are withdrawn on the date indicated against them in the fifth column.
SCHEDULE
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| Sl. | No., Year & Title of the Indian | Date of | No., Year & Title of the | Date of |
| No. | Standards Established | Establishment | Indian Standards to be | Withdrawal |
| | | | Withdrawn, if any | |
+=====+====================================================+==================+====================================================+====================+
| (1) | (2) | (3) | (4) | (5) |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 1 | IS 228 (Part 25) : 2026 | 27 March 2026 | NA | NA |
| | ISO 4935: 1989 | | | |
| | Methods for Chemical Analysis of | | | |
| | Steels | | | |
| | Part 25 Determination of Sulphur | | | |
| | Content — Infrared Absorption | | | |
| | Method After Combustion in an | | | |
| | Induction Furnace | | | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 2 | IS 1171: 2026 | 27 March 2026 | IS 1171: 2011 | 27 September 2026 |
| | Ferromanganese — Specification | | Ferromanganese | |
| | (Sixth Revision) | | Specification (Fifth Revision) | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 3 | IS 1200 (Part 12): 2026 | 27 March 2026 | IS 1200 (Part XII) – 1976 | 27 September 2026 |
| | Method of Measurement of | | Method of Measurement of | |
| | Building and Civil Engineering | | Building | |
| | Works | | and Civil Engineering Works | |
| | Part 12 Plastering and Pointing | | Part XII Plastering and Pointing | |
| | (Fourth Revision) | | (Third Revision) | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 4 | IS 3018: 2026 | 27 March 2026 | IS 3018 — 1977 | 27 September 2026 |
| | Standard Silica Sand for Raw | | Specification for Standard | |
| | Material Testing in Foundries — | | Silica Sand for Raw Material | |
| | Specification | | Testing in Foundries | |
| | (First Revision) | | | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 5 | IS 10386 (Part 11): 2026 | 27 March 2026 | IS 10386 (Part 11): 2012 | 27 September 2026 |
| | Safety in Construction, Operation | | Safety Code for Construction, | |
| | and Maintenance of River Valley | | Operation | |
| | Projects — Guidelines | | and Maintenance of River | |
| | Part 11 Underground Excavation | | Valley | |
| | (First Revision) | | Projects | |
| | | | Part 11 Underground | |
| | | | Excavation | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 6 | IS 18641: 2026 | 27 March 2026 | IS 18641: 2024 | 27 September 2026 |
| | ISO 544: 2024 | | ISO 544: 2017 | |
| | Welding consumables — | | Welding consumables — | |
| | Technical Delivery Conditions for | | Technical Delivery Conditions | |
| | Filler Materials and Fluxes — | | for Filler Materials and Fluxes — | |
| | Type of Product, Dimensions, | | Type of Product, | |
| | Tolerances and Markings | | Dimensions, Tolerances and | |
| | (First Revision) | | Markings | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 7 | IS 19452: 2026 | 27 March 2026 | NA | NA |
| | Design, Installation, Testing and | | | |
| | Maintenance of Condensed | | | |
| | Aerosol Fire Extinguishing | | | |
| | System — Code of Practice | | | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 8 | IS 19738: 2026 | 27 March 2026 | NA | NA |
| | Parameters and Assessment | | | |
| | Criteria for Downstream Flow to | | | |
| | Maintain Ecological Balance — | | | |
| | Guidelines | | | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
| 9 | IS 19744: 2026 | 27 March 2026 | NA | NA |
| | Preparation of Catchment Area | | | |
| | Treatment (CAT) Plan — | | | |
| | Guidelines | | | |
+-----+----------------------------------------------------+------------------+----------------------------------------------------+--------------------+
NISHAT SULTANA HAQUE, Scientist G & DDG (Labs)
[ADVT.-III/4/Exty./22/2026-27]
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. SARVESH KUMAR Digitalna by SARNESH
KUMAR
SRIVASTAVA Date: 2026.04.13 21:43:53 +0530
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