Some units practice that if on ORD date itself you never settle
clearance, they will just chop chop "clear" you lah.
They will get anybody from that department to just anyhow
sign.
Some will threaten to charge you under AWOL charge. Since you are
supposed to be doing clearance 3 days before ORD, so if you did not
do so, means you are not in camp.
Some camp, realised some ppl after ORD date did not collect pink
i/c, panic, go call you and ask you come back camp and they will
give you pink i/c and you book out right after. your clearance they
do for you.