Political Parties and Elections Bill

The right hon. Gentleman is absolutely right about billboards and all the nonsense used by the political parties, but I want to mention one aspect of central party funding that causes me concern in constituencies during election periods. Letters are targeted at named constituents. They do not mention a party candidate, but do mention the party platform and leader. They are, in all aspects, a letter in support of the candidate, but do not mention the candidate's name. That is completely outside the controls on election expenditure in a constituency. Does he agree that that needs to be addressed in the Bill?