The payload for a Metadata Resource shall (see Section 10.4.1.1.2) contain all Attributes in the resource. For Data Elements having a Value Representation (VR) of DS, FL, FD, IS, LT, OB, OD, OF, OL, OV, OW, SL, SS, ST, SV, UC, UL, UN, US, UT and UV, the origin server is permitted to replace the Value Field of the Data Element with a Bulk Data URI. The user agent can use the Bulk Data URI to retrieve the Bulk Data in its original form.