How to Get a Tax ID in Argentina (CUIT, CUIL & CDI Guide 2026)

A Tax ID in Argentina is an 11-digit number (e.g., 20-12345678-9) required to work, open a bank account, issue invoices, or run a business.

This guide explains how to get a tax identification number in Argentina step-by-step, including CUIT, CUIL, CDI, and the real application process.

What is a Tax ID in Argentina?

Argentina uses three main identification numbers:

• CUIT: For businesses, freelancers, and tax registration
• CUIL: For employees and social security
• CDI: For foreigners without residency

These are issued by the Administración Federal de Ingresos Públicos (AFIP) (now operating under Argentina’s updated tax administration framework) and ANSES.

CUIT vs CUIL vs CDI (Key Differences)

CUIT Format in Argentina

The CUIT consists of 11 digits:

Example: 20-12345678-9

• First digits: taxpayer type
• Middle digits: personal or company identifier
• Last digit: verification code

Who Needs a Tax ID in Argentina?

• Employees working in Argentina
• Freelancers and self-employed individuals
• Business owners and companies
• Foreigners investing or earning income

How to Get a Tax ID in Argentina (Step-by-Step)

Step 1: Choose the Correct Tax ID

• CUIL → employees
• CUIT → freelancers/businesses
• CDI → non-residents

Step 2: Prepare Required Documents

• Passport or national ID
• Proof of address in Argentina
• Birth certificate (if required)
• Residence permit (for CUIT)

Step 3: Create AFIP Account and Clave Fiscal

• Go to AFIP official website
• Register and generate your Clave Fiscal
• This is your secure login for tax services

Important: Clave Fiscal activation may require identity verification.

Step 4: Complete Digital Registration

• Access the AFIP platform (Inscripción Digital)
• Enter personal or business details
• Select your tax category (e.g., monotributo)
• Upload supporting documents

Step 5: Identity Verification

Depending on your case, AFIP may require:

• In-person verification at an AFIP office
• Or digital validation via the Mi AFIP app

Step 6: Receive Your Tax ID

Your CUIT, CUIL, or CDI will be issued after approval.

How to Verify a CUIT in Argentina

• Use the official AFIP website
• Enter the CUIT number
• Check taxpayer status and validity

This is commonly used by businesses and employers to verify compliance.

Special Cases for Foreigners

• Foreigners often need a CUIL before obtaining a CUIT
• Non-residents without full registration can apply for CDI
• A local address is usually required

Why Your Application May Be Rejected

• Incorrect or incomplete documents
• Missing residency proof
• Invalid personal information
• Duplicate applications

Real Use Cases for a Tax ID

• Opening a bank account in Argentina
• Issuing invoices as a freelancer
• Registering a business
• Accessing social security benefits

FAQs

Can foreigners get a tax ID in Argentina?

Yes, foreigners can apply for CUIT, CUIL, or CDI depending on their situation.

What is Clave Fiscal?

Clave Fiscal is a secure password used to access AFIP’s online services.

Can I get a CUIT fully online?

Partially. Most applications require identity verification either online or in person.

How do I verify a CUIT?

You can verify it through the AFIP website.

What is CDI in Argentina?

CDI is a tax ID for foreigners without residency.

How long does it take to get a tax ID?

Usually a few days to one week.

Conclusion

Getting a tax ID in Argentina is essential for working, investing, and doing business legally. By understanding the process and preparing your documents correctly, you can complete registration efficiently.

For the most accurate and up-to-date information, visit the official AFIP website.