- 11 - participated in a prior proceeding if, due to the effective date of section 6015, relief under section 6015 was not available in that proceeding. Also, any final decisions rendered by a court of competent jurisdiction regarding issues relevant to section 6015 are conclusive and the requesting spouse may be collaterally estopped from relitigating those issues. Although not by its terms applicable to petitioner’s request for relief, the regulation sets forth a rule that appropriately should apply in this case. In view of the uncertainty of the law at the time of the meeting between petitioner and McClellan, this case presents the type of special circumstances that may overcome the bar of res judicata. See generally Montana v. United States, 440 U.S. 147, 153-155 (1979); Commissioner v. Sunnen, 333 U.S. 591 (1948); Worcester v. Commissioner, 370 F.2d 713 (1st Cir. 1966), affg. in part, vacating in part, and remanding T.C. Memo. 1965-199. Because petitioner was precluded by an apparent misunderstanding on her part and on the part of the Appeals officer from raising her claim to relief from joint liability in the prior proceeding, we hold that she is not barred by section 6015(g) from equitable relief under section 6015(f). In view of respondent’s concession that she is entitled to such relief if we so hold, we need not address her entitlement to relief under section 6015(b) or (c). Restrictions on Collection Activity Under Section 6015(e)(1)(B) Petitioner argues that the Commissioner incorrectly “levied” petitioner’s refunds and credits for tax years 1999, 2000, andPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 Next
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