- 4 - petition with this Court, and a trial was held in Pocatello, Idaho, on August 28, 2006. Discussion I. Burden of Proof Deductions are a matter of legislative grace, and the taxpayer must maintain adequate records to substantiate the amounts of any deductions or credits claimed. Sec. 6001; INDOPCO, Inc. v. Commissioner, 503 U.S. 79, 84 (1992); sec. 1.6001-1(a), Income Tax Regs. As a general rule, the Commissioner’s determination of a taxpayer’s liability in the notice of deficiency is presumed correct, and the taxpayer bears the burden of proving that the determination is improper. See Rule 142(a); Welch v. Helvering, 290 U.S. 111, 115 (1933). However, pursuant to section 7491(a)(1), the burden of proof on factual issues that affect the taxpayer’s tax liability may be shifted to the Commissioner where the “taxpayer introduces credible evidence with respect to * * * such issue”. The burden will shift only if the taxpayer has, inter alia, complied with substantiation requirements pursuant to the Internal Revenue Code and “cooperated with reasonable requests by the Secretary for witnesses, information, documents, meetings, and interviews”. Sec. 7491(a)(2). In the instant case, petitioner did not comply with the substantiation requirements when his 2003 Federal incomePage: Previous 1 2 3 4 5 6 7 8 9 NextLast modified: November 10, 2007