We had non-expiring paper tickets that dated back to 1999 and 2000. Back in 2014 I inquired over the phone about using them and was told back then, I had to bring them to Guest Services in the park to have them transfer them to the new plastic tickets, which we did. We haven't used them as the number of days never matched up with what we were doing. Our upcoming trip was a perfect time to use them as it was just my DH and I going, for a quicker trip. I was able to link them to my MDE account, just recently, and assign two to my DH and two to me. Now I don't know whose ticket was whose back in 1999 and 2000, so I'm hoping they work the way I assigned them (I believe there was no finger scanning back then). lol