{HEAD ~ A determination} is made which test requirements of {TAIL ~ a security test scheme} are to be used in assessing the security risk for the merchant entity 
{ HEAD ~ A determination } is made which test requirements of { TAIL ~ a security test scheme } are to be used in assessing the security risk for the merchant entity
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH