The transmission period reading part reads {HEAD ~ the transmission period} per unit cost that corresponds to {TAIL ~ the matching area code} 
The transmission period reading part reads { HEAD ~ the transmission period } per unit cost that corresponds to { TAIL ~ the matching area code }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL