Products
Calculations
AvaTax
AvaTax Brazil
AvaTax Cross-Border
AvaTax for Communications
AvaTax for Excise
Avalara Tax Content
Tariff Code Classification
E-invoicing
Activation Service
Avalara E-Invoicing
ECM
Exemption Certificate Management
Platforms
Brazil Customer Portal
Returns
Avalara Managed Returns API
MyLodgeTax
Avalara Returns Excise
Tax Compliance (Brazil)
VAT Reporting
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Shared Services
Tax registrations and business licenses
Registrations
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Avalara 1099 & W-9
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Products
Calculations
AvaTax
AvaTax Brazil
AvaTax Cross-Border
AvaTax for Communications
AvaTax for Excise
Avalara Tax Content
Tariff Code Classification
E-invoicing
Activation Service
Avalara E-Invoicing
ECM
Exemption Certificate Management
Platforms
Brazil Customer Portal
Returns
Avalara Managed Returns API
MyLodgeTax
Avalara Returns Excise
Tax Compliance (Brazil)
VAT Reporting
Shared service
Shared Services
Tax registrations and business licenses
Registrations
1099 & W-9
Avalara 1099 & W-9
Learn
Integrations guides
Refactor guides
Get certified
Get started
AvaTax 90 days free trial
Playground
Become a partner
Develop
APIs
SDKs
MCPs
Agent to Agent (A2A)
AI use cases
API versioning
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E-Invoicing and Live Reporting
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About this guide
Get started with ELR
Plan your integration
ELR Postman collection
Additional resources
Glossary
Build
Authentication in ELR
Set up E-Invoicing and Live Reporting (ELR)
Set up ELR overview
ELR sandbox access
Activate a mandate in ELR
Design the user experience
Design considerations for ELR integration
Administration and utilities
Connection
Connection in ELR
Authentication
Generate client credentials
Request access token
Webhooks
Set up webhook subscriptions
List all webhook subscriptions
Create a webhook subscription
Get details of a webhook subscription
Delete a webhook subscription
Company management
Company management in ELR
Map business system companies to Avalara companies
Add a company from your system
List companies
Update a company
Create a company
Mandate configuration
Mandate configuration
Get mandates
Activation management
Activation management overview
Get activation
List activation
Settings
Mappings
Mapping in ELR
Get data input fields by mandate
Document lifecycle
Document lifecycle considerations
Mandate determination
Document submission
Document submission in ELR
Submit the document
Status management
Status management in ELR
Get the summary of documents
Response key and document retrieval
Response key and document retrieval in ELR
Get the status of the sent document
Download the document
Q-and-A
Q-and-A for ELR
Why do we need company ID mapping?
Why can’t we automatically add all companies from our application to Avalara?
Why does the user need to configure mandate logic?
Is it enough to use the customer record to determine the mandate?
Can Avalara provide standard conditions for each mandate?
Does the user need to configure every supported country mandate?
What conditions can trigger a mandate?
Why are mandate mappings critical in an ELR integration?
Do I need a developer to modify mappings?
Can users view how ERP fields map to UBL fields?
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Why are mandate mappings critical in an ELR integration?
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