Sir: I was not surprised to read retailers are already backpedalling on a code of practice that is not legally binding (9 August, p5). Christine Tacon has the unenviable task of exerting some control over the behaviour of forensic/purchase auditors who are not only poorly controlled by the retailers but also add £20m to £40m of profit per retailer each year to their bottom line. Also, the agreement from retailers to limit reviews to the past two years is made almost impossible to regulate due to the fact “retailers retain the legal right to go back up to six years for missed claims.” That statement alone means forensic/purchase auditors have a ‘get out of jail card’ for almost any claim older than two years. Where does this leave suppliers? No further forward, I fear.

Alan Hillier, business relationship director, Salitix