- 16 - opportunity to raise any issue concerning the underlying liability that he contended he would have raised at the hearing. 1. Self-Assessed Amount Petitioner has not addressed that portion of the underlying liability reported as due on his return but unpaid, other than his claim regarding the limitations period for assessment or collection that we find to be without merit. See infra at II.C.3. We therefore deem that portion conceded. 2. Section 6213(b)(1) Assessment: Claim Under Section 475(f) As for the portion of the underlying liability attributable to respondent's disallowance of petitioner's claimed capital losses in excess of $3,000, petitioner contends that he is entitled to the claimed losses on the "basis of being a day trader". While section 475(f) allows persons engaged in a trade or business as a trader in securities to treat the gain or loss from such securities as ordinary income or loss (not subject to the section 1211(b) limitation on recognition of capital losses), see sec. 475(d)(3)(A)(i), (f)(1)(D), we are satisfied after a de novo review of petitioner's claim that he has not shown eligibility for treatment of his securities losses under section 475(f). Section 475(f) allows ordinary gain or loss treatment in conjunction with use of the mark-to-market method of accounting for the securities used in the securities trader's trade orPage: Previous 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 NextLast modified: November 10, 2007