The Bureau of Indian Standards (BIS) on May 07, 2024, issued the date of Establishment and the date till which the standard without the amendment shall remain in force.
The following has been stated: -
•IS 73: 2013 Paving Bitumen — Specification (Fourth Revision)
•IS 170: 2020 Acetone — Specification (Fifth Revision)
For the above-mentioned Indian standard particular date of Establishment of the Amendment is April 22, 2024, and the date till which the standard without the amendment shall remain in force is October 21, 2024.
[Notification No. Ref: HQ-PUB014/1/2020-PUB-BIS (864)]