grep '^[\s]*[#|%]UNITS' < ${lbl_file} >/dev/null
  if [ $? = "0" ]; then 
    grep '^[\s]*[#|%]UNITS' < ${lbl_file} |\
    gawk '{
      printf("mtt_units.sh %s %s %s %s %s\n", sys, $2, $3, $4, $5)
    }' sys=${sys}  | sh | grep ERROR
    if [ $? = "0" ]; then
      echo "    " *MTT_ERRROR: domains and units are not OK - exiting
      echo "    " *MTT_ERROR: domains and units are not OK - exiting
      exit 1  
    else
      echo "    " domains and units are OK 
    fi
  else
    echo "  no domains or units declared"
  fi