You're only banned from using AAdvantage, not AA and not partner programs. In your examples you had a good experience and weren't risking another confiscation. But now you specifically want to use an AAdvantage acct belonging to a related person. It surprised me, that's all. The risk is probably low, and Citibank may not disclose all the TYP movements. I'm not sure though if reward programs are subject to bank secrecy laws.