In pursuance of Sub rule 1 of Rule 15 of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies

EXTRAORDINARY PART III—Section 4 PUBLISHED BY AUTHORITY (1) (2) (3) (4) (5) आई एस 16247 : 2019 No. 1023] NEW DELHI, FRIDAY , DEC EMBER 20, 2024 /AGRAHAYANA 29, 194 6 CG-DL-E-20122024-259570 आई एस 16260 : 2019 आई एस ओ 6142 -1 : 2015 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi, the 13th December, 2024 Ref: HQ -PUB01 4/1/2020 -PUB -BIS (1117) .—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. No., Year & Title of the Indian Standard No. and Month /Year of the Amendment Date of Establishment of the Amendment Date till which the standard without the amendment as mentioned in column 3 shall remain in force (1) (2) (3) (4) (5) IS 16247 : 2019 ISO 6141 : 2015 Gas Analysis — Contents of Certificates for Calibration Gas Mixtures (First Revision) Amendment No . 1 December 2024 10 December 2024 09 June 202 5 IS 16260 : 2019 ISO 6142 -1 : 2015 Gas Analysis — Preparation of Calibration Gas Mixtures — Gravimetric Method for Class I Mixtures (First Revision) Amendment No . 1 December 2024 10 December 2024 09 June 202 5 CHITRA GUPTA , Scientist G & DDG (Hallmarking) [ADVT. -III/4/Exty./7 92/2024 -25] 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.