-5- prevailing party; (2) exhausted available administrative remedies; and (3) did not unreasonably protract the court proceedings. Sec. 7430(a) and (b)(1), (3). Under section 7430(c)(4)(A), a “prevailing party” is defined as a party who has substantially prevailed with respect to the amount in controversy or who has substantially prevailed with respect to the most significant issue or set of issues and who meets certain net worth requirements. Sec. 7430(c)(4)(A). If respondent establishes that respondent’s position in the proceeding was substantially justified, the taxpayer will not be treated as a prevailing party. Sec. 7430(c)(4)(B). Whether respondent’s position was substantially justified depends on whether his position was supported by a reasonable basis in law and fact. Pierce v. Underwood, 487 U.S. 552 (1988); Rickel v. Commissioner, 900 F.2d 655, 665 (3d Cir. 1990), affg. in part and revg. in part on other grounds 92 T.C. 510 (1989). The fact that respondent eventually loses or concedes an issue or issues does not by itself establish that respondent’s position was unreasonable. Maggie Mgmt. Co. v. Commissioner, 108 T.C. 430, 443 (1997). Whether respondent acted reasonably turns largely on the basis of the available information used to form respondent’s position and whether respondent knew or should have known that his position was invalid at the time respondent took the positionPage: Previous 1 2 3 4 5 6 7 NextLast modified: November 10, 2007