Do you use the same email address? The problem establishing your own account could be a problem like that, or with cookies. If you have a separate email and that's happening, maybe it calls for a call to customer service. I would say to make a small purchase to credit to your husband's account through Rapid Rewards Shopping, and extend the expiration date.

Is the form you found for transferring points specifically for transfer on death, or the general option to transfer for a fee?