How to upgrade the exception file from one release to another?

Document ID : KB000072489
Last Modified Date : 11/05/2018
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How do you move your  customized Exceptions to include any changes/updates to the R19 Exceptions file? 
The post install step "execute product Specific tasks" has a step for Insight for DB2. This step allows you to copy exceptions from a specific dataset. Specify the R18 exception dataset as input to this step.