function generate_structured_communication($transactionID) {

$control = bcmod($transactionID, 97);

$control = ($control == "0") ? "97" : $control;

if ($control < 10) {
$control = "0" . $control;
}

$count = 10 - strlen($transactionID);

for ($i=0; $i < $count; $i++) {
$transactionID = "0" . $transactionID;
}

$com = $transactionID . $control;

return substr($com, 0, 3) . "/" . substr($com, 3, 4) . "/" . substr($com, 7, 5);
}