- 13 - efforts to collect her unpaid tax for 1998. Notably, petitioner does not seek to (nor could she) challenge the amount of her underlying tax liability for 1998 as determined by the Court at docket No. 9419-01. Instead, petitioner insists that there is no unpaid balance of tax due for 1998. Section 6330(c)(4) in relevant part precludes a taxpayer from raising an issue in a section 6330 proceeding if the issue was raised and considered in any other previous administrative or judicial proceeding and the taxpayer participated meaningfully in such proceeding. We conclude that the issues concerning the timeliness of the 1998 levy and petitioner’s related refund claims for the taxable years 1982 and 1985 were raised and considered in a previous administrative proceeding within the meaning of section 6330(c)(4). Moreover, on the basis of petitioner’s submissions in the record and the other evidence concerning the refund claims for 1982 and 1985, we are satisfied that petitioner participated meaningfully in the previous administrative proceeding concerning those claims. Consequently, consistent with the proscription contained in section 6330(c)(4), we hold that petitioner is barred from reasserting her claims to prepayment credits from the taxable years 1982 and 1985 in this proceeding.6 See, e.g., Magana v. Commissioner, 118 T.C. 488, 6 Even if sec. 6330(c)(4) did not preclude consideration of the issue, we observe that the weight of the evidence in this (continued...)Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NextLast modified: March 27, 2008