If you’re claiming deductions for business meals or auto expenses, expect the IRS to closely review them. In some cases, taxpayers have incomplete documentation or try to create records months (or years) later. In doing so, they fail to meet the strict substantiation requirements set forth under tax law. Tax auditors are adept at rooting out inconsistencies, omissions and errors in taxpayers’ records, as illustrated by one recent U.S. Tax Court case. Facts of the case In the case, a married couple claimed $13,596 in car and truck expenses, supported only by mileage logs that weren’t kept contemporaneously and were made using estimates rather than odometer readings. The court disallowed the entire deduction, stating that “subsequently prepared mileage records do not have the same high degree of...