Schedule 1 may refer to:

• List of Schedule 1 substances (CWC)
• First Schedule of the Constitution of India, defining the states and union territories of India
• Schedule I Controlled Substances within the US Controlled Substances Act
• Schedule I Controlled Drugs and Substances within the Canadian Controlled Drugs and Substances Act
• Schedule I Psychotropic Substances within the Thai Psychotropic Substances Act
• Schedule I Narcotic Drugs and Psychotropic Substances within the Estonian Narcotic Drugs and Psychotropic Substances Act
• Schedule I of the Indian Narcotic Drugs and Psychotropic Substances Act, listing psychotropic substances
• Schedule I Psychotropic Substances within the U.N. Convention on Psychotropic Substances
• Schedule I Banks within the Canada Bank Act
• Schedule 1 Substances within the Chemical Weapons Convention
• Schedule 1 to the National Health Service (General Medical Services Contracts) (Prescription of Drugs etc.) Regulations 2004, the NHS treatments blacklist

See also

• Schedule 2 (disambiguation)
• Schedule 3 (disambiguation)
• Schedule 4 (disambiguation)
• Schedule 5 (disambiguation)

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