The Misuse of Drugs (Amendment) Regulations 1990
These Regulations amend the Misuse of Drugs Regulations 1985 by adding, to Schedule 1, N -Hydroxy-tenamphetamine and 4-Methyl-aminorex and, to Schedule 4, Midazolam. These drugs become subject to control under the Misuse of Drugs Act 1971 by virtue of the Misuse of Drugs Act 1971 (Modification) Order 1990 (S.I. 1990/2589).