Related Clues:

• Have to return
• Have an outstanding liability
• Have chits
• Run a tab, say
• Show a deficit
• Have bills to pay
• Be in a hole
• Be threatened by sharks, say
• The middle part of 46-Down
• Attribute (to)
• Must repay
• ''To what do I ___ ... ?''
• Put off paying
• Get in a hole
• Take out, in a way