SINCE the Independent Parliamentary Standards Authority (Ipsa) came into being, with the apparently mammoth and bewildering task of paying out salary and expenses, it has produced its final, definite, set-in-stone expenses scheme… at least six times.

So I’m grateful that Ian Kennedy, chair of Ipsa, has sought to explain and simplify the new rules to a meeting of Ipsa staff held recently at its HQ, c/o the Diamond Towers Luxury Spa and Resort, Victoria: