SARS Tax Invoice Requirements: The Complete Guide for 2026

If you run a value-added tax registered business in South Africa, every billing document you issue must meet specific legal requirements set out in Section 20 of the Value-Added Tax Act (89 of 1991). Getting it wrong means your clients cannot claim input deductions — and you could face penalties from SARS.

This guide covers everything you need to know: the mandatory fields for full and abridged documents, the rules around electronic billing, and what happens if you do not comply.

Registration: Who Needs to Register?

You must register for value-added tax if your taxable supplies exceed R1 million in any consecutive 12-month period. Registration must be applied for within 21 business days of exceeding the threshold.

You may voluntarily register if your taxable supplies are between R50,000 and R1 million in the past 12 months. The current rate is 15%, effective since 1 April 2018.

Two Types of Billing Document

The Act distinguishes between two document types based on the total value of the supply (including the levy):

Full Tax Invoice — Section 20(4)

Required when the total consideration exceeds R5,000. A full tax invoice must contain all of the following details:

1. The words “Tax Invoice”, “VAT Invoice”, or “Invoice”
2. The supplier's name, address, and vendor registration number
3. The recipient's name, address, and vendor registration number (if the recipient is a registered vendor)
4. A unique serial number (document number) and the date of issue
5. An accurate description of the goods or services supplied, indicating where applicable that goods are second-hand
6. The quantity or volume of goods or services supplied
7. The value of the supply excluding the levy, the levy amount, and the total consideration (value plus the levy)

Abridged Document — Section 20(5)

Permitted when the total consideration is R5,000 or less but more than R50. The abridged document must contain:

1. The words “Tax Invoice”, “VAT Invoice”, or “Invoice”
2. The supplier's name, address, and vendor registration number
3. A unique serial number and the date of issue
4. An accurate description of the goods or services
5. The value of the supply, the levy amount, and the total consideration

The key difference: an abridged document does not require the recipient's details (name, address, or registration number).

When Must You Issue the Document?

A compliant billing document must be issued within 21 days of the date the supply was made. Failing to issue one within this period is a contravention of the Act and may trigger penalties.

Are Electronic Documents Accepted?

Yes. Under the Electronic Communications and Transactions Act (ECTA, Act 25 of 2002), electronic documents have the same legal status as paper documents. This means PDFs sent by email, WhatsApp, or any other electronic channel are fully valid — provided they contain all the mandatory fields listed above.

South Africa does not currently mandate electronic billing. However, SARS has announced that mandatory e-invoicing will be implemented in 2028 as part of the Modernisation Project. Electronic records must be archived for at least 5 years (or 7 years under the Companies Act).

Penalties for Non-Compliance

Issuing incorrect or incomplete billing documents can have serious consequences for both you and your clients:

• 10% late payment penalty on outstanding amounts owed to SARS
• Interest charges at the prescribed rate on any overdue amounts
• Understatement penalties ranging from 5% to 200% of the shortfall, depending on culpability
• Your clients cannot claim input deductions without a valid document — damaging business relationships

Recent Changes (2025/2026)

• The rate remains at 15% — the proposed increase to 15.5% (Budget 2025) was withdrawn on 24 April 2025.
• Interpretation Note 83 (Issue 3) was released on 30 September 2024, updating SARS guidance on sections 20(7) and 21(5).
• Expanded zero-rated food list — now includes edible offal, dairy liquid blend, and tinned/canned vegetables.
• Foreign electronic services suppliers are no longer required to register if they supply exclusively to registered vendors in South Africa (effective 1 April 2025).