The following is a list of the most commonly encountered drugs currently controlled under the misuse of drugs legislation showing their respective classifications under both the Misuse of Drugs Act 1971 and the Misuse of Drugs Regulations 2001. Although it is extensive, the list is not exhaustive and, in the event of a substance not being listed below, reference should also be made to the notes in Parts I, II, III and IV of Schedule 2 to the Misuse of Drugs Act 1971 and in Schedules 1 to 5 to the Misuse of Drugs Regulations 2001. Reference may also be made to Home Office Licensing Section [at licensing_enquiry.aadu@homeoffice.gsi.gov.uk] who hold a more detailed list of drugs in Schedules 1 and 2.