The Office of Finance Tax Compliance Guides are designed to provide clear, comprehensive, and up-to-date information to help Los Angeles businesses and individuals stay compliant with City tax laws and regulations. Legal Profession Tax Compliance Guide Legal Profession Tax Compliance Guide Contractors Tax Compliance Guide Contractors Tax Compliance Guide Retail Sales Tax Compliance Guide Retail Sales Tax Compliance Guide Accounting Firms Tax Compliance Guide Accounting Firms Tax Compliance Guide Design & Tech Architects & Engineers Tax Compliance Guide Design & Tech Architects & Engineers Tax Compliance Guide