Comment:

OccupationalData is a collection of Observations. It is part of a family of several hundred or more similar types of data where a collection of questions related to a particular topic are gathered and passed around as a group. Other examples include prenatal records, nursing charts, etc. FHIR cannot have separate resources for each of these areas. The needs will need to be met through some combination of questionnaires, logical models and mapping of data to other resources - principly Observations. (As a note, this information has historically been captured in most systems as observations.)

Summary:

OccupationalData should not exist as a resource