{HEAD ~ The challenge response application} can be administered by {TAIL ~ an issuer} or by a third party on behalf of an issuer 
administered by
{ HEAD ~ The challenge response application } can be administered by { TAIL ~ an issuer } or by a third party on behalf of an issuer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH