registration-required obligation
(2) Registration-required obligation For purposes of this section— (A) In general The term “registration-required obligation” means any obligation (including any obligation issued by a governmental entity) other than an obligation which— (i) is issued by a natural person, (ii) is not of a type offered to the public, or (iii) has a maturity (at issue) of not more than 1 year. (B) Authority to include other obligations Clauses (ii) and (iii) of subparagraph (A) shall not apply to any obligation if— (i) such obligation is of a type which the Secretary has determined by regulations to be used frequently in avoiding Federal taxes, and (ii) such obligation is issued after the date on which the regulations referred to in clause (i) take effect.