plan
(1) Plan For purposes of this section, the term “plan” means— (A) a trust described in section 401(a) which forms a part of a plan, or a plan described in section 403(a), which trust or plan is exempt from tax under section 501(a), (B) an individual retirement account described in section 408(a), (C) an individual retirement annuity described in section 408(b), (D) an Archer MSA described in section 220(d), (E) a health savings account described in section 223(d), (F) a Coverdell education savings account described in section 530, or (G) a trust, plan, account, or annuity which, at any time, has been determined by the Secretary to be described in any preceding subparagraph of this paragraph.