Mike-
You quote a FAQ that has to do with a client limiting the SOW for an assignment.
That has absolutely nothing to do with this discussion.
In the H&BU, as-vacant, your ideal improvement is going to be fully permitted (I think we can agree on that).
In the H&BU as-improved, the question is, is the improvement consistent with the legally
permissible use? I gave the example of the gas station (clearly not) and the addition to a home (clearly it is).
When you do an appraisal for a residential (or any other) kind of property where the improvement is under construction and the assignment calls for an as-is value, do you check "illegal use" since the under-construction improvements have not been fully permitted? (some of the work might have been signed-off by the inspectors, but there is a large possibility there is work-in-progress which, by definition, has not been signed-off because it still is in-progress)
If the property is 98% complete and habitable (but not finaled yet), do you check "illegal use" in an as-is appraisal? Or do you refuse to do such assignments?