CFIHOS does not test the software, warrant its fitness for purpose, or provide any certification.
All conformance statements are on a self-reported basis by the software supplier and are only published to provide potential customers with evidence for their own due diligence. This evidence should be just one input to any purchasing decision.
Each software supplier may take a different approach to meeting the business requirements. Conformance will be stated for a specific CFIHOS version, so may not be entirely applicable to the version you are adopting.