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, the taxpayer ran a notary and paralegal business. She deducted business meals and vehicle expenses that she allegedly incurred in connection with her business. The deductions were denied by the IRS and the court. Tax law “establishes higher substantiation requirements” for these and certain other expenses, the court noted....