Related Clues:

• System
• Courtroom command
• Habeas corpus, e.g.
• Judge's demand
• Courtroom demand
• Certiorari, e.g.
• Catalog purchase
• It's imperative
• Edict
• It's usually made from a 109-Down
• Requisition
• Waiter's notation
• Salesman's goal
• Judicial order
• ''Ham on rye, hold the pickle,'' e.g.