Configuration {#opencart-configuration}
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The Visa Acceptance Solutions OpenCart module requires configuration in three areas: general settings, payment methods, and tax calculation.  
The Visa Acceptance Solutions OpenCart module requires configuration in three areas:

* Visa Acceptance Solutions Configuration: General settings
* Visa Acceptance Solutions Unified Checkout configuration: Payment method settings
* Visa Acceptance Solutions Tax Calculation configuration: Tax service settings (optional)

Each configuration area has specific settings that control different aspects of the payment processing functionality.