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,

REGD. No. D. L.-33004/99 The Gazette of India CG-DL-E-05092026-276018 EXTRAORDINARY PART III—Section 4 PUBLISHED BY AUTHORITY No. 535] NEW DELHI, TUESDAY, SEPTEMBER 1, 2026/BHADRA 10, 1948 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi, the 31st August, 2026 Ref: HQ-PUB015/1/2020-PUB-BIS (1594). — 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 Month/Year | Date of | Date till which the | | No. | Standard | of the Amendment | Establishment of | standard without the | | | | | the Amendment | amendment as | | | | | | mentioned in column 3 | | | | | | shall remain in force | +=====+===================================================+=============================+=======================================+=================================================================================================================+ | (1) | (2) | (3) | (4) | (5) | +-----+---------------------------------------------------+-----------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------------------------+ | 1 | IS 10153: 2021 | Amendment No. 1 | 25 August 2026 | 24 February 2027 | | | Utilization of Fly | August 2026 | | | | | Ash — Guidelines | | | | | | (First Revision) | | | | +-----+---------------------------------------------------+-----------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------------------------+ | 2 | IS 12488: 2023 | Amendment No. 1 | 25 August 2026 | 24 February 2027 | | | Haulage Rope | August 2026 | | | | | Cappels — Specification | | | | | | (First Revision) | | | | +-----+---------------------------------------------------+-----------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------------------------+ | 3 | IS 17526: 2021 | Amendment No. 3 | 25 August 2026 | 24 February 2027 | | | Domestic Stainless Steel Vacuum | August 2026 | | | | | Flask / Bottle — Specification | | | | +-----+---------------------------------------------------+-----------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------------------------+ | 4 | IS 18573: 2024 | Amendment No. 2 | 25 August 2026 | 24 February 2027 | | | Cold Formed Welded Carbon Steel | August 2026 | | | | | Square and Rectangular Hollow | | | | | | Sections for Mechanical, General | | | | | | Engineering and Decorative Purposes | | | | | | Specification | | | | +-----+---------------------------------------------------+-----------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------------------------+ S. K. VERMA, Scientist F & DDG (Hallmarking) [ADVT.-III/4/Exty./305/2026-27] 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.