Originally Posted by Guy Betsy

As with any carrier when you're holding ex-TIP tickets there is a risk involved. No one can say for sure what an airline check-in personnel will do at that moment. They know for sure that such tickets if not issued within Libya is not allowed, so the onus is on them for accepting such tickets.

So you are the only one who'd know if you dare to risk it and show up at check-in with a foreign issued ticket.