Responding to a sales tax audit requires a careful and proactive approach. Start by reviewing the audit notification thoroughly and gathering all relevant financial documents requested. Maintain open communication with the auditor, addressing questions promptly and providing additional information as needed. Be organized in presenting your documents and prepared to explain your business operations during potential interviews. Seek guidance from professionals such as accountants or legal counsel if necessary. Understand the audit findings and be ready to make any necessary corrections or amendments to ensure compliance with tax regulations. Overall, approach the process with professionalism and cooperation to facilitate a smooth resolution of the audit.