OVH setup in SLA

We have the same product running on multiple production lines with different recipes that have different routings . The resources on these different routings have different cost analysis codes which need to be accounted for in different cost centers. In SLA we have set up rules to derive this different cost centers with one of the conditions being the cost analysis code but it seems that it is always charging it to the cost center that is on our costed version. We want it to be charged to the cost center that is based on the cost analysis code coming