How Long Is Acceptable Usage Period for a Paid for Ap?

Ean clark looks at harddeson and then not dying as frequently as they used to. Paul c 80 tou says, how long is acceptable usage period for a paid for ap? Ean clark wonders if you could allow access for existing owners to an ap without showing it to new customers. i say we'll ask apples mis well, ask the wind for all the answer we'll get back anyway.