Therefore, advantageously, issuance of {TAIL ~ a terminal authorization certificate} can be requested after confirming {HEAD ~ a terminal authorization certificate} issuing terminal 
Therefore , advantageously , issuance of { TAIL ~ a terminal authorization certificate } can be requested after confirming { HEAD ~ a terminal authorization certificate } issuing terminal
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH