This is to convey the Executive Yuan’s announcement regarding the amendment of certain classifications and items within the "Classification and Items of Narcotics," which shall take effect from June 27th, 2026.

1. In accordance with the Executive Yuan’s letter No. 1155013102B dated June 25th, 2026.

​2. The announcement revises the Schedule I narcotics (which, unless otherwise specified, include their isomers, esters, ethers, and salts) by adding ten items, including Ethyl 1-(1-phenylethyl)-1H-imidazole-carboxylate (Etomidate) [including its isomers and imidazole-4-carboxylate], among nine others; and Schedule IV narcotics (including precursor substances, which, unless otherwise specified, also encompass their isomers, esters, ethers, and salts) by adding two precursor substances.

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