Static routes between VRFs

You can configure a static route next hop to be in a different VRF.

Static routes can be configured between VRFs in the following ways:

There may be undocumented procedures to create NOS or Fusion routes between default and non-default VRFs. I need SME input on this.

Note: RPF is not supported on static routes between VRFs.
Is this first note specific to a platform?