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