Snouts in the trough, or legitimate expenses?

Extensive media coverage means we're all aware that MPs' "Claims must only be made for expenditure that it was necessary for a Member to incur to ensure that he or she could properly perform his or her parliamentary duties. Allowances are reimbursed only for the purpose of a Member carrying out his or her parliamentary duties".

However, public opinion on this matter means that certain MPs have not carefully considered the following:
"Members must ensure that claims do not give rise to, or give the appearance of giving rise to, an improper personal financial benefit to themselves or anyone else"

And they may have to be reminded that "Members are committed to openness about what expenditure has been incurred and for what purposes".

You can read all about it in The Green Book, or guide to MPs' expenses.