If I may offer a hypothesis. Since we would still be required to have our account active for the remainder of the time we paid I would assume we would be required to remain active for a lifetime unless we call billing and demand they cancel it
Wow, I feel a tad bit dumb now, lol. Yeah, I guess that would be the case.
(I'd still like to have it officially confirmed, though. Like I said, I've been wrong when I assumed things about STO and/or Cryptic before.)