Related Clues:

• Carrying out the trash, maybe
• Should (with ''to'')
• Shirkers shirk it
• Is obligated
• Should (with "to")
• Are advised
• Word before free or bound
• Allegiance
• ___-free: travelers' delight
• Be advised (to)
• Military obligation
• Onus
• Binding obligation
• See 22 Across
• ''There ___ to be a law!''