This document is a description and endorsement of current best practice in winegrape assessment. It describes and discusses those quality specifications that can be readily measured or ascribed a value. It has been developed by and for participants in the wine industry involved in the activities of buying and selling winegrapes, and is based on wide industry consultation. The aims of this publication are to bring more clarity, transparency, commonality and certainty to the sometimes contentious processof assessing winegrapes where the outcome may result in the rejection of the fruit or a change in the price paid. It should be seen as a tool to develop and improve relationships between buyers and sellers of winegrapes.