However Notice 2012-002, urges a different analysis.
Based on the Notice, the IRS is likely to argue to courts that the first question is whether an entity is an “alter ego” of the taxpayer and that such question should be determined based on federal common law. If the court answers in the affirmative, then all property of the entity is the property of the taxpayer who owns the entity and potentially subject to levy.
This theory, which will eventually be tested in court, has a more-than-fighting chance. Alter ego theory, and particularly alter ago theory as defined under federal case law, has been adopted in many non-tax contexts.
Read more at: Tax Times blog