You can override a deployed policy by putting an updated policy in the overrides sub-directory of the integration server work directory.
When you run the mqsicreateworkdir command to create the integration server work directory, an overrides folder is created automatically. At run time, if a policy exists in the overrides sub-directory, that policy is used. If a policy in the overrides sub-directory has the same name as a policy that is deployed in a BAR file, the policy in the overrides sub-directory takes precedence.
To override a deployed policy at run time, complete the following steps.