Electronic invoicing Argentina 2026: ARCA changes

Electronic invoicing in Argentina in 2026 introduces new validations that companies will need to consider to keep their invoicing processes aligned with the requirements of the Agency for the Collection and Control of Customs (ARCA).

As of September 1, 2026, the recipient’s VAT status must be correctly reported through the CondicionIVAReceptorId field in the WSFEv1 Electronic Invoice Web Service. This change is particularly relevant for companies with systems integrated with ARCA services that need to ensure continuity in their invoicing processes.

This change should also be considered by organizations using Microsoft Dynamics 365 Business Central, as an incorrect configuration of tax information could result in rejected electronic invoices.

Electronic invoicing in Argentina in 2026: What is changing with ARCA?

The CondicionIVAReceptorId field is used to report the recipient’s VAT status on the invoice.

Although this field was already included in the service’s technical specifications, the main change concerns its mandatory nature and the validations applied by ARCA.

According to General Resolution 5616/2024, provisions have been established regarding the identification of the recipient’s VAT status on electronic invoices.

The new requirement means that invoicing systems must be prepared to send a valid VAT status that is compatible with the transaction being processed.

For this reason, companies should review their WSFEv1 integrations before the new requirement takes effect.

Electronic invoicing in Argentina in 2026: What does it mean for companies?

One of the main changes concerns how the system responds when the field is not reported or is sent incorrectly.

Previously, certain situations could generate a non-blocking observation, allowing the invoice to continue through the authorization process.

Under the new validation, failure to provide the required information may result in an blocking error, preventing the invoice from being authorized.

Validations for CAE invoices

For transactions using CAE, ARCA’s technical documentation includes different codes related to the recipient’s VAT status.

These include:

10245: observation related to the recipient’s VAT status.
10246: blocking error when the recipient’s VAT status is mandatory and is not reported correctly.

This means that a situation that previously generated a warning may become grounds for rejection.

Validations for CAEA invoices

For transactions using CAEA, there are also specific validations:

825: observation.
826: blocking error related to the requirement to report the recipient’s VAT status.

Companies can consult the details of these validations in the WSFEv1 Developer Manual published by ARCA.

Method	Previous situation	New validation
CAE	Observation 10245	Blocking error 10246
CAEA	Observation 825	Blocking error 826
Result	The invoice could continue	The invoice may be rejected

Can any VAT status code be reported?

No.

The value sent in CondicionIVAReceptorId must correspond to a valid VAT status and must also be compatible with the type of invoice being generated.

For this reason, the implementation should not be limited to adding the field to the message sent through WSFEv1. It is also necessary to verify the validation rules associated with each transaction.

In the official ARCA Web Services documentation, companies and technical teams can consult the methods, parameters, and specifications required for electronic invoicing integrations.

Situations that may generate errors include:

Reporting a VAT status code that does not exist.
Using a VAT status that does not correspond to the invoice type.
Failing to report the field when it is mandatory.
Having outdated tax information in customer master data.

Therefore, electronic invoicing in Argentina in 2026 requires companies to review both their technology integration and the tax information used during the invoicing process.

What should companies review before September 1, 2026?

The implementation of this validation makes it advisable to review invoicing systems in advance.

Companies should primarily verify the following:

WSFEv1 integration

Verify that the integration used to issue electronic invoices can correctly send CondicionIVAReceptorId.

Customer tax information

Review the VAT status registered for each customer to ensure that it is accurate and up to date.

Validation rules

Confirm that the reported VAT status is compatible with the type of invoice being generated.

Invoicing tests

Perform tests before moving any update into the production environment.

Localization update

Confirm that the solution used for Microsoft Dynamics 365 Business Central is prepared for Argentina’s regulatory changes.

How does this change affect Microsoft Dynamics 365 Business Central?

For companies using Microsoft Dynamics 365 Business Central, ARCA’s changes should be analyzed from the perspective of tax localization and integration with electronic invoicing services.

An updated localization should facilitate the management of the tax information required to issue invoices in accordance with current regulations.

For Argentina, LLB Solutions offers an Argentina Localization for Microsoft Dynamics 365 Business Central designed to address various tax and regulatory requirements in the Argentine market.

The solution helps adapt Business Central to local processes related to electronic invoicing, tax reporting, withholding taxes, perceptions, and other requirements applicable to operations in Argentina.

In addition, companies operating across different markets in the region can explore LLB Solutions’ Localizations for Microsoft Dynamics 365 Business Central and learn about the solutions available for different countries across Latin America.

Electronic invoicing in Argentina in 2026: Recommendations for preparation

To reduce the risk of rejections and operational issues, we recommend beginning the review before the new requirement takes effect.

Important actions include:

Review the current version of the Argentina localization.
Confirm that CondicionIVAReceptorId is managed correctly.
Validate customer and recipient tax information.
Review compatibility between VAT status and invoice type.
Perform electronic invoicing tests.
Review updates and documentation published by ARCA.
Coordinate with the technical team on any necessary adjustments.

It is also advisable to maintain an ongoing review process for tax updates, as regulatory changes can directly affect electronic invoicing integrations.

Why is it important to keep the Argentina localization updated?

Regulatory changes can have a direct impact on an organization’s financial and commercial processes.

When electronic invoicing is integrated with a system such as Microsoft Dynamics 365 Business Central, a change in the tax authority’s requirements may require adjustments to configuration, master data, validations, or integration with electronic services.

Having an updated localization helps reduce these risks and allows companies to keep their processes aligned with local tax requirements.

Conclusion

The new requirement related to CondicionIVAReceptorId represents an important change for companies using WSFEv1 in Argentina.

Starting September 1, 2026, systems will need to correctly report the recipient’s VAT status, and the values submitted must be compatible with each invoice.

Preparing for these changes in advance allows companies to identify potential inconsistencies, perform tests, and reduce the risk of an ARCA rejection affecting their invoicing processes.

For organizations using Microsoft Dynamics 365 Business Central, keeping the tax localization updated is an essential part of preparing for regulatory changes.

At LLB Solutions, we develop localization solutions for Microsoft Dynamics 365 Business Central that help companies and partners adapt their operations to the tax requirements of different countries across Latin America.

Does your company use Business Central in Argentina?

Prepare for ARCA’s changes before September 2026.

Learn more about LLB Solutions’ Argentina Localization and discover how to adapt your Business Central processes to Argentina’s tax requirements.

info@llbsolutions.com | Argentina Localization