Possible Clues:

• Spring exam for chief councillor?
• Got permission, in a manner of speaking, being over the city
• Have permission to be speaking in the way of the head of the city
• For the present, might it be spoken of the city?
• Re city government
• Has permission to be speaking for the city
• Springtime examination of council leader
• The boss has spoken of Boris previously
• Test introduced by prime minister related to public office
• City campaign type