Substitution of Standards for Petroleum Products (18 May)
The Bureau of Indian Standards has notified the substitution of certain Standards, including the following, with effect from 15th May 2026. However, the previous unamended Standards will remain in force concurrently till 15th November 2026. For a full list of products, please refer to the attached link.
- IS 18698: 2026 Dimethyl Ether (DME) Blended Liquefied Petroleum Gas (LPG) — Specification (First Revision).
- IS 19850: 2026 E22, E25, E27 and E30 Fuel — Admixture of Anhydrous Ethanol and Motor Gasoline for Usage in the Positive Ignition Engine Powered Vehicles — Specification.
Substitution of Standards for Chemicals (18 May)
The Bureau of Indian Standards has notified the substitution of certain Standards, including IS 19788: 2026 Clothianidin, Technical — Specification, with effect from 15th May 2026. However, the previous unamended Standards will remain in force concurrently till 15th November 2026. For a full list