The payload for a Bulk Data Resource (see Section 10.4.1.1.5) shall contain all the Bulk Data for the resource. When the resource is a single Bulk Data URI, the payload will contain the single corresponding element. When the resource is a Study, Series or Instance Bulk Data resource, the payload will contain all the Bulk Data of the corresponding Instance(s). Bulk Data in a multipart response shall have a Content-Location Header Field that corresponds to the URI contained in the corresponding Element in the Metadata.