Each program's own planning page: whether it offers a legacy contact or inactive-account setting, what its terms say about transferring an account, and what to record for the person who will settle it.
183 programs

No successor designation

No successor designation; lifetime transferring the account

No successor designation

No successor designation

No successor designation

No successor designation; lifetime transfers to another member

No successor designation

No successor designation; lifetime family pooling, transfers to another member, transfers to a partner program and gift purchases

No successor designation

No successor designation

No successor designation; lifetime transferring the account

No successor designation; lifetime transfers to a partner program and authorized users

No successor designation

No successor designation

No successor designation; lifetime transfers to a partner program and authorized users

No successor designation

No successor designation; lifetime transfers to another member

No successor designation

No successor designation; lifetime transfers to a partner program and gift purchases

No successor designation; lifetime transfers to a partner program