26.If there is only one rating by a nominated ECAI for a particular claim, that rating should be used to determine the risk weight of the exposure.

27.If there are two ratings by nominated ECAIs that map to different risk weights, the higher risk weight must be applied.

28.If there are three or more ratings with different risk weights, the ratings corresponding to the two lowest risk weights should be referred to. If these give rise to the same risk weight, that risk weight should be applied. If different, the higher risk weight should be applied.