Farm and Small Business Expensing Tax Relief Act - Amends the Internal Revenue Code to allow a business taxpayer to expense up to $5,000 of the costs incurred to acquire or produce any item of tangible property if: (1) the taxpayer's average annual gross receipts during the preceding three taxable years do not exceed $10 million, and (2) the taxpayer has in effect written accounting procedures as may be prescribed by the Secretary of the Treasury.