Schedule 4
- Controlled Drugs and Substances Act
- Controlled Drugs and Substances Act
- Controlled Substances Act
- Convention on Psychotropic Substances
- Crown Minerals Act 1991
- Fourth Schedule to the Constitution of India
- List of Schedule IV drugs (US)
- Narcotic Drugs and Psychotropic Substances Act (Estonia)
- Psychotropic Substances Act (Thailand)
- Schedule 1 (disambiguation)
- Schedule 2 (disambiguation)
- Schedule 3 (disambiguation)
- Schedule 5 (disambiguation)