Possible Clues:

• ''Except on the condition ...''
• Save for this minus one in France
• Qualifying term
• With the exception of this, it might be 19 down in France
• One gets minus
• Save for minus one
• Only if it's not minus one French one
• Put the last of 13 across on at the theatre
• Save this, minus one in France
• Except that it could be minus one in France