Following Indian Standard IS 17412:2020, the BIS CRS Mark Certification for Trimethyl Phosphite is required under the Quality Control Order, 2022. This certification guarantees for manufacturing, import, and sale in India that the product satisfies safety, quality, and regulatory compliance. Product testing in a BIS-recognized laboratory, online application submission, document validation, and Bureau of Indian Standards (BIS) clearance comprise the process. Foreign producers have to name an Authorized Indian Representative (AIR). Penalties under the BIS Act, 2016 can follow from non-compliance. The CRS mark denotes respect of legislative and safety criteria.