A security shall not be treated as described in subparagraph (A), (B), or (C) of paragraph (1), as the case may be, unless such security is clearly identified in the dealer’s records as being described in such subparagraph before the close of the day on which it was acquired, originated, or entered into (or such other time as the Secretary may by regulations prescribe).
Paragraph (2)(C) shall not include any nonfinancial customer paper.
Rules similar to the rules of subsections (b)(4) and (d) shall apply to securities held by a person in any trade or business with respect to which an election under this paragraph is in effect. Subsection (d)(3) shall not apply under the preceding sentence for purposes of applying sections 1402 and 7704.
In the case of a person who is engaged in a trade or business as a trader in commodities and who elects to have this paragraph apply to such trade or business, paragraph (1) shall apply to commodities held by such trader in connection with such trade or business in the same manner as paragraph (1) applies to securities held by a trader in securities.