# Planning your integration Source: https://developer.avalara.com/invoice_goods_en/before_you_begin/planning_your_integration/ # Planning your integration This section provides an overview of the badge certification requirements for the **Invoice for Goods** connector necessary to become a certified partner. Review this section to help plan your integration. **Advice:** Before starting your integration, it is important to scope out the requirements listed for this certification program. Administration and utilities requirements The table below presents a list of requirements ranging from user experience to application best practices. **Mandatory / Suggested** **Requirements** **Notes** **Level** Mandatory Setup Avalara Credentials The best practice is to enhance the UI for easy entry of Avalara credentials including: \- Client ID Token \- Secret Token UI Mandatory Test Authentication Connection - Ping Service There is one method available for service availability/PING UI Mandatory Comprehensive Logging Given that all transactions are based on request/response JSON, the connector should provide logs of the transactions for troubleshooting, if necessary. Partners can define the time necessary to keep those data within the system UI Mandatory Select environment option Provide environment option to allow the key user to switch between sandbox and production environment UI Suggested Electronic Invoice Control Panel Provide an electronic invoice issuance control cockpit, which allows the customer to consult an authorized electronic invoice, cancel an electronic invoice, perform a fixed letter, and other functions that are necessary to execute the electronic invoice issuance, in compliance with the Brazilian Tax Authority UI Mandatory Checking Environment Provide evidence that demonstrates which environment (production or sandbox) the client/partner is operating UI Suggested Set timeout for API calls Set a timeout for the API calls, as per best practices Hide configuration Mandatory API Base URL The URLs should be system settings Hide configuration Mandatory Version Inform the compatibility of the ERP version with the connector Documentation Mandatory Architecture Inform the connector architecture, as well as the prerequisites for operation, either on Premise or in the cloud Documentation Electronic Invoice Transactions (NF-e) The table below presents a list of Electronic Invoice (NF-e) transactions. **Mandatory/** **Suggested** **Scenarios** **Transactions** **Point of attention** Suggested Export Goods Sales Mandatory Fix Latter Sales Suggested Process a sales return of a product that your establishment produces Sales Return \- Specific tag and reason to justify the IPI return \- Reference e-Invoice Mandatory Process a sale for the public state sector to demonstrate proper tax calculation Sales Specific tag and reason to justify ICMS tax relief Mandatory Process a sales return of a product that your establishment produces that has ICMS substitute in statutory retail price model. Sales Statutory Retail Price MVA Mandatory Demonstrate contingency operation to maintain authorization to the government environment Sales Verify the access key that changes in case of contingency Mandatory Cancel Invoices Operation Sales Mandatory Process Complimentary Sale Invoice Sales Reference e-Invoice Mandatory Void Unused Serial Numbers Sales Suggested Process Intestate sales for non-taxpayer Sales Specific object data related to DIFAL (Differential Rate) Suggested Sale with exemption Sales Attention to the ICMS label with the exemption Suggested Import Goods Purchase \- COMEX measurement unit \- Specific attributes for DI (Import Declaration) \- Identification of the supplier from abroad [Previous](/invoice_goods_en/before_you_begin/about_the_program) [Next](/invoice_goods_en/before_you_begin/resources/additional_resources/swagger)