Tax Extension Granted—Now What? How to Catch Up on Bookkeeping and Prepare for Your Business Tax Return Rincon Controller And Tax Services Inc., Redlands, CA Tax extensions can offer welcome breathing room for both business owners and individuals. If you've taken this route for your 2025 tax returns but haven't yet put your bookkeeping in order—or lack confidence in its accuracy—you're not alone. As a year-round tax advisory and fractional CFO/controller firm, we at Rincon Controller And Tax ...