Possible Clues:

• Not subject to an obligation
• Former eastern politician getting the first of these free
• Not subject to, as jury duty
• Grant immunity to former partner, mostly unoccupied
• Free (from liability)
• Release MP stuck in River Trent initially
• Grant immunity to
• Partner once having had a vacation cut short is free
• Central indexing deemed acceptable for one paying no tax
• Partner of old politician getting into film for free