- 9 - estoppel precludes relitigation of any issue of fact or law that was actually litigated and necessarily determined by a valid and final judgment. Montana v. United States, 440 U.S. 147, 153 (1979); Brotman v. Commissioner, 105 T.C. 141, 147 (1995). In addition, the issue must also have been necessary to the outcome of the first action, see United States v. Mendoza, 464 U.S. 154, 158 (1984); Parklane Hosiery Co. v. Shore, 439 U.S. 322, 326 n.5 (1979); Niedringhaus v. Commissioner, 99 T.C. 202, 213 (1992), and it cannot be relitigated in a suit between the parties or their privies. Blanton v. Commissioner, supra at 495; Peck v. Commissioner, 90 T.C. 162, 166 (1988), affd. 904 F.2d 525 (9th Cir. 1990). Collateral estoppel [precludes] parties from contesting matters that they have had a full and fair opportunity to litigate [and] protects their adversaries from the expense and vexation attending multiple lawsuits, conserves judicial resources, and fosters reliance on judicial action by minimizing the possibility of inconsistent decisions. Montana v. United States, 440 U.S. at 153-154; Spear v. Commissioner, 91 T.C. 984, 990 (1988). It is well established that petitioner's conviction of criminal tax evasion under section 7201 for 1985 collaterally estops him from denying that some part of the deficiency in his income tax for that year was due to fraud for purposes of section 6653(b). The elements of criminal tax evasion under section 7201 are virtually identical to the elements of civil tax fraud underPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next
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