# Certification requirements

Source: https://developer.avalara.com/products/tax-compliance/integration-guides/extractor-en/authentication/certification_requirements/

Guide: Brazil Returns (Tax compliance) - English

# Certification requirements

The table below describes the Authentication certification requirements.  

**Mandatory****Suggested**

**Use Cases**

**Notes**

Levels

Mandatory

Test Authentication Connection - Health Service (PING)

There is one method available for service availability/PING

UI

Mandatory

Select environment option

Provide environment options in order to allow the key user to change between Sandbox and Production environments

UI

Mandatory

Checking Environment 

Provide evidence that demonstrates which environment (Production or Sandbox) the client/partner is operating

UI

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