From the 27 October 2018, the following substances require a licence and permit, issued by the Office of Drug Control, in accordance with Regulation 10 of the Customs (Prohibited Exports) Regulations 1958.

• Acryloylfentanyl (otherwise known as acrylfentanyl)
• 4-fluoroisobutyrfentanyl (otherwise known as 4-FIBF or pFIBF)
• Furanylfentanyl
• Ocfentanil
• Tetrahydrofuranylfentanyl (otherwise known as THF-F)
• N-(1-amino-3-methyl-1-oxobutan-2-yl)-1-(cyclohexylmethyl)-1H-indazole-3-carboxamide (otherwise known as AB-CHMINACA)
• N-(1-amino-3-methyl-1-oxobutan-2-yl)-1-pentyl-1H-indazole-3-carboxamide (otherwise known as AB-PINACA)
• 4-fluoroamphetamine (otherwise known as 4-FA)
• 1-(5-fluoropentyl)-1H-indole-3-carboxylic acid 8-quinolinylester (otherwise known as 5F-PB-22)
• Methyl 2-(1-(5-fluoropentyl)-1H-indazole-3-carboxamido)-3,3-dimethylbutanoate (otherwise known as 5F-MDMB-PINACA or 5F-ADB)
• (1-pentyl-1H-indol-3-yl)(2,2,3,3-tetramethylcyclopropyl)methanone (otherwise known as UR-144)