To ensure a business expense is accepted by the Finanzamt (tax office) 🏛️, it must be supported by a proper document 📄, either an invoice 💳 or a receipt 🧾. Only if the required information is included can you claim the expense as a deductible business cost 📊 in your bookkeeping.
For your invoice to be accepted by the Finanzamt, it needs to include the following details:
Your full name and address (as the service provider)
The full name and address of your client (the service recipient)
Your tax number or VAT ID
The invoice issue date
A unique invoice number (sequential, used only once, and clearly traceable)
A description of the service (including the type and scope of what you delivered)
The date or period when the service was provided
Net amount, VAT rate, and VAT amount (e.g., 19% or 7%)
If you're a Kleinunternehmer (small business owner): the §19 UStG note (stating no VAT is charged)
The total (gross) amount
For small expenses (like purchases in retail), a simple receipt or cash register slip is usually enough. It should include:
The vendor’s name and address
The issue date
A description of the goods or services
The total amount (including VAT)
The VAT rate
⚠️ For receipts over €250 (gross), the same rules apply as for a full invoice – this is called a “Kleinbetragsrechnung”under §33 UStDV.
The tax office also accepts digital receipts 💻📱 (PDFs, scans, or photos). Just make sure they are stored unchanged 📦 and recorded correctly 🧾.
Accountable’s intelligent Tax Checks, powered by AI, make sure you don’t miss any receipts over €250 that need to be recorded as regular invoices in the web version.
When you have a business expense and already have the receipt or invoice:
Open the app or log in via the web
→ https://web.accountable.de/login
Select “+ Upload new expense” or “Create an expense manually”
Take a photo of the receipt or upload it
Review details like amount, date, and category
Accountable automatically checks if all mandatory information is included
The expense is then assigned to your bookkeeping and, if needed, your VAT return
Saving too many expenses without receipts
Missing service period
Cash receipts over €250 without full invoice details
If important information is missing, the tax office may reject the expense. ⚠️
To make sure the tax office accepts your expenses and invoices, all documents need to include the legally required information. Invoices over €250 follow stricter rules and missing key details like the service description, invoice number, or VAT rate can result in losing the tax deduction.
But don’t worry 😎: with Accountable, the AI-powered Tax Checks 🤖 ensure your receipts and invoices are complete ✅ and properly recorded. That way, your bookkeeping stays clean 🧹, accurate 📚, and fully compliant ✅.
Feel free to reach out via [email protected] if you have any further questions about this.
💰 Want to know what you can claim on your tax return? In our webinar Pay Less Tax, we take an in-depth look at business expenses, with practical tips and a live Q&A session. Register here!
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Author - Sophia Merzbach
Sophia has been a key member of the Accountable team for many years, bringing a unique blend of journalistic precision and in-depth tax expertise to her work.
Who is Sophia ?Thank you for your feedback!
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13/04/2026
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06/04/2026
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06/04/2026
In the world where everyone seems to be out to get small entrepreneurs and overwhelm them with new rules, more taxes and reporting obligations, Accountable often feels like the one steady partner that actually wants you to succeed, providing quick, clear and personalised support. Thank you!
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10/04/2026
They always answer for questions wherever is via direct e-mail or through app. If they can’t answer fully they will forward you to the right place. Documents were always prepared well and ready to send further to government. Everything is intuitive in the app and easy to sort out even for someone completely green in this field.
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