 100%).Thereafter, C Ltd. can bring proceedings against A Ltd. and B Ltd., demanding from each a payment of a proportion of the total damages C was ordered to pay to X, corresponding to the proportion by which each company increased the risk of mesothelioma of the total increase in risk in X.Further, section 3 is "treated as having always had effect" (s.16(3)) and also extends to Scotland and Northern Ireland (s.17).