- Tax number and VAT ID in Slovenia are distinct identifiers with different purposes.
- Tax number is issued to all taxable entities for general tax purposes.
- VAT ID is specifically for entities registered for VAT and includes the “SI” prefix.
- Using the wrong identifier can lead to compliance issues and rejected invoices.
- Tax number is required for business registration and tax filings.
- VAT ID is necessary for VAT transactions, returns, and cross-border EU dealings.
- Understanding the difference is crucial for accurate compliance and reporting.
Source: vatit.com
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
Latest Posts in "Slovenia"
- Slovenia Mandates Dedicated Digital Certificate for Fiscal Cash Registers and Receipt Validation
- Slovenia Issues VAT Group Guidance Effective January 2026: Key Rules and Requirements Outlined
- Slovenia Among EU Leaders in VAT Collection Efficiency, Reports European Commission
- Slovenia Achieves One of the Lowest VAT Gaps in the EU, Report Shows
- Slovenia: Joint Liability Risks for VAT Records Non-Compliance from July 2025














