Buying direct access to high-level policymakers is so much more efficient than building a constituency, letter-writing campaigns and press events.
The construction industry provision looks like "a political payoff to satisfy the desires of a small constituency," the letter said.
A spokeswoman for Mr Hoon's constituency party said letters were being sent out to members today to inform them of his decision to stand down.
But the dean of the cathedral in his Bury St Edmunds constituency has written a letter to Ruffley, saying his position has become untenable.
Bridgen, Tory MP for North West Leicestershire, which borders Vaz's constituency, claimed in his letter that "the report and associated video suggests a conspiracy to supply a controlled substance" and questioned whether the Labour MP had breached "misconduct in public office laws".
On Sunday, more than 20 current and former constituency chairmen delivered a letter to 10 Downing Street urging the prime minister to delay any parliamentary decision on gay marriage until after the next election.
David Cameron claimed £2,581 which included professional services for his Witney constituency office, £94 for headed letter paper and £11.97 for pens.
In a letter to his constituency party in South Shields, David Miliband said he would not stand for election to his brother's Shadow Cabinet, but confirmed he would remain as an MP.
Mr Blair's deputy, John Prescott, also announced his intention to resign, in a letter to his constituency party, expressing great pride to have served the most successful Labour prime minister ever.
When the Republican legislators tried to extract a vote from her in support of their budget in exchange for financing her environmental project, Ms. Johnson promptly sent a letter to her constituency saying that the Republican majority leader was blackmailing her.
The strength of feeling in the party was highlighted on Sunday when 20 current and former Tory constituency association chairmen delivered a letter to No 10 warning that the bill would inflict "significant damage" to the party in the runup to the next election.
