Related Clues:

• Impose levy or burden on
• A break in something continuous, like a hedge
• Subject to strain, as Revenue Commissioners do
• Breach or lacuna
• A small parting, in hedge or teeth
• Make heavy demands on
• Charge levied by the state
• Open space between two things, mind it
• The doctor around a space that's open
• In a doctor there might be a hiatus like this
• When something goes, that's what it leaves
• The family doctor has a space in him
• A GP might have nothing in him
• Longtime mall chain
• Government demand