See this article for detailed guidance: Update your business name and address for QuickBooks Desktop Payroll. The team that will handle this case is available from 7 AM - 3 PM PST. Our Customer Support will process your request for updating your legal business address within 5 business days of receiving the form. An IRS letter showing the updated company’s legal address will work. It's our pleasure to help, I can share some insights to help you update the legal business address of your account.įor QuickBooks Assisted Payroll, you'll have to complete the IRS Form 8822-B to update the legal business address.