Invoice without VAT – when is it permitted?
The Kleinunternehmer status in the German tax system is associated with exemption from VAT, but this does not mean you have unrestricted freedom when it comes to documenting sales. Issuing an invoice without VAT requires meeting strictly defined conditions and adhering to specific formal requirements. As of 2025, additional regulations specify the content of invoices for small businesses, making this topic especially important for those running a business in Germany. In this article, we explain when it is possible to issue an invoice without VAT, what information is mandatory, and what requirements need to be fulfilled so that the document complies with current regulations.
When can you issue an invoice without VAT without making a mistake? Check if you meet the conditions
If you run a business in Germany as a Kleinunternehmer, it’s natural to wonder when you can issue an invoice without VAT and whether you are truly entitled to do so. This is not a matter of choice, but a specific right laid down by § 19 UStG, which outlines the exemption for small entrepreneurs. If you use this form of accounting, your services or supplies within Germany are exempt from VAT, which means you do not add tax to your invoice. However, this does not relieve you of the obligation to document your sales correctly.
It is crucial to note that the exemption applies to specific domestic transactions, not to all situations without exception. If you issue an invoice for activities subject to the small business regime, you are entitled to show the amount due without displaying VAT, but you must also clearly indicate that the Kleinunternehmer exemption has been applied. Failing to include this note may lead to unnecessary queries from the tax office.
From 2025, there are separate regulations regarding the content of small business invoices – these are explicitly included in the executive regulations (§ 34a UStDV). This means the tax office no longer relies solely on the general invoicing rules (§14 UStG and §19 UStG), but on a precisely defined list of required data. Therefore, before you issue a document without VAT, make sure that you genuinely meet the conditions to use the Kleinunternehmer status and that your invoice includes all the required elements. The absence of VAT is not enough – the key is the completeness and formal correctness of the document.
What should a small business invoice look like? See what to include step by step
Many entrepreneurs assume that if they don’t show VAT, the document can be simplified to a minimum. However, this is a mistake. If you’re wondering what a small business invoice should look like, the answer is quite specific – it must include certain identification data and a full description of the service, even if you are not displaying tax on it.
The invoice should include the full name and surname (or company name) and the full address of your business, as well as the recipient’s details – also in full. An abbreviation or just a trade name is not enough. The document must also include the date of issuance, an exact description of the goods or services (including their scope or quantity), and the amount due. Importantly – next to this amount, there must be a clear note about the VAT exemption for small businesses based on § 19 UStG.
As of 2025, the regulations precisely indicate that a Kleinunternehmer invoice is subject to separate requirements – the tax office will expect exact compliance with the formal rules, not just “general correctness.” Interestingly, despite the digitalization of the tax system, a small business is not required to issue invoices in the structured e-invoice format. However – and this is important – you must be ready to receive and archive e-invoices from your clients. This is a subtle but very important difference that many entrepreneurs forget about.
What elements of a Kleinunternehmer invoice are key to avoid mistakes?
If you want to have peace of mind, make sure the document is complete. In practice, formal deficiencies are the most common source of problems. That’s why the question of what must be on an invoice for small businesses is not theoretical – it’s a matter of tax security.
Above all, the invoice must include your business data as the entrepreneur and the buyer’s data, both fully and unambiguously. Next – the issuance date, a precise description of the type and scope of services rendered or goods delivered, as well as the amount due. The key element, however, is indicating that the sale benefits from the VAT exemption for Kleinunternehmer. The lack of this information can lead to misunderstandings – especially if the client expects VAT to be shown.
In certain situations, when the document is issued by the recipient as a so-called Gutschrift (buyer credit note), a specific annotation indicating that the recipient created the document must be included. It’s a detail, but a very important one. The tax office will not examine your intentions – it will simply check whether the document complies with statutory requirements. Therefore, treat the invoice not just as a formality, but as a document that genuinely impacts your tax situation.
Which tax number should you provide on a small business invoice – Steuernummer, USt-IdNr., or another identifier?
This is a common area of uncertainty. In practice, you have a few options, but not complete freedom. The regulations allow you to include your Steuernummer or VAT identification number (USt-IdNr.) on the invoice, depending on how your business is registered. The choice depends on how you are registered and which number you use in your dealings with the tax office.
If you operate only on the domestic market and do not carry out intra-Community transactions, the Steuernummer is most often used in practice. However, if you have a USt-IdNr., you can also use it. It is important that the number is current, correct, and clearly assigned to your business. An incorrect number is one of the most common reasons for corrections and explanations.
Also remember that an invoice for a Kleinunternehmer does not show VAT, but that doesn’t mean the tax office does not identify you as a taxpayer. The tax number serves to link the document to your registration in the tax system. Therefore, do not treat this as a mere formality – it is a mandatory part of the invoice, without which the document may be considered incomplete.
An invoice without VAT is not a “blank page” – check what elements are mandatory and when you don’t have to issue an e-invoice
Many entrepreneurs feel relieved that they do not have to add VAT. This does make accounting easier, but it does not mean you have complete freedom in documenting sales. An invoice without VAT remains a full-fledged tax document that must meet all formal requirements and contain all required information.
Importantly, from January 1, 2025, a small business is not required to issue invoices in a structured e-invoice format, even if other businesses are already subject to such regulations. This is a real simplification. However, you are required to be able to receive, read, and archive e-invoices received from your clients. In practice, this means you need to adapt your accounting system or at least your internal procedures.
Before you assume that simplified reporting means fewer obligations, consider the topic more broadly. VAT exemption gives you certain privileges, but at the same time requires diligence when documenting sales. A well-prepared invoice – complete, legible, and compliant with regulations – is not only a formal requirement but also proof of your reliability as an entrepreneur operating in the German tax system. In practice, the safety of your accounting and the accuracy of your documents can be further reinforced by professional accounting services offered by ETX Niecko Legal, which take into account the specifics of German regulations for small businesses.
