Impairments required; not available as UK gov revaluations is enabled.

Summary:

We have a requirement to use impairments but we have enabled UK government revaluations which removes the feature.

Content (please ensure you mask any confidential information):?
I want to understand why this is switched off with no way to change and if there is a work around? Would a downward revaluation work the same in this case, or would it require some SLA?

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