(6)In order to achieve the greatest possible accuracy and consistency in the assignment of specialised lending exposures to categories, the institutions should attribute a weight to each factor having regard to its relative importance for the type of specialised lending exposures and determine the weighted average of the values of the categories which have been attributed to the factors. In order to ensure that the institutions assign these weights in a sufficiently prudent way, a lower and an upper limit should be set for the weight that can be assigned to each factor.