(4)In order to provide for the marketing of poultrymeat in different classes according to conformation and appearance, it is necessary to lay down definitions relating to species, age and presentation in the case of carcases, and anatomical conformation and content in the case of poultry cuts. In the case of the product known as ‘foie gras’ the high value and consequent risk of fraudulent practices make it necessary to lay down especially precise minimum marketing standards.