The “Worker, Homeownership and Business Assistance Act” includes a powerful tax-saver for struggling business owners. It extends and expands the earlier Stimulus Act’s tax break for net operating losses. Strategy: Let the tax law do double duty. If you qualify, you can take advantage of the enhanced NOL carryback rules for both 2008 and 2009. A business that carries back an NOL to a profitable tax year is entitled to a quick tax refund from the IRS.