Businesses can accurately calculate sales tax rates in California using:

• California Department of Tax and Fee Administration (CDTFA) Website: Offers comprehensive tax rate information and tools.

• Sales Tax Calculators: Online calculators provided by tax software companies allow input of specific locations for accurate rates.

• CDTFA’s Tax Rate Lookup Tool: An official tool where users enter addresses to find exact sales tax rates.

• Accounting Software: Integrated tax calculation features in software like QuickBooks streamline the process.

• Local Government Websites: Individual city or county websites provide detailed tax rate information.

• Professional Tax Advisors: CPAs and tax consultants offer personalized assistance for accurate tax calculations.

Utilizing these tools ensures businesses apply the correct combined tax rates based on the buyer’s location, maintaining compliance and accurate financial transactions.