A coherent set of data and code is under no circumstances {HEAD ~ output} from {TAIL ~ the apparatus} to the data system of lower secrecy and security level 
A coherent set of data and code is under no circumstances { HEAD ~ output } from { TAIL ~ the apparatus } to the data system of lower secrecy and security level
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH