Exemption from BIS standard for Ortho phosphoric Acid temporarily permits its use as fertilizer raw material without BIS compliance. The Ortho Phosphoric Acid Order requires conformity to the relevant Indian Standard and BIS licensing with the Bureau as certifying and enforcement authority and penalties for contravention. An amendment inserted a proviso exempting Ortho Phosphoric Acid when used as raw material in fertilizer production from the BIS standard for a temporary period from publication of that notification, and customs authorities have been instructed to sensitize officers and monitor compliance.