Billtree blog

Invoicing, tax and receivables in Austria — made clear.

FeaturedTax10 June 2026 · 2 min read

SVS contributions for the self-employed: what you pay and why

Health, pension, accident insurance — a quick guide to mandatory SVS charges in Austria.

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Tax8 June 2026 · 2 min read

Income tax in Austria: how the brackets work

Progressive brackets from 0% to 55%, indexed yearly — and why a higher bracket never eats your whole income.

Tax5 June 2026 · 2 min read

Kleinunternehmer rules 2026: how long can you invoice VAT-free?

The basics of Austria's small business VAT exemption: the threshold, the mandatory invoice clause, and what happens if you exceed it.

VAT3 June 2026 · 2 min read

UVA in a nutshell: who files VAT returns, when and how

Monthly or quarterly? What deadlines? What's the U30? — the Austrian VAT return, explained.

Receivables28 May 2026 · 2 min read

Dunning in Austria: recover your money politely

Zahlungserinnerung vs. Mahnung, escalation levels, default interest — and why you should automate it all.

Invoicing22 May 2026 · 2 min read

The perfect Austrian invoice: a mandatory-elements checklist

UStG §11 in plain language: what your invoice must contain — and when the simplified small-amount invoice is enough.

e-invoicing15 May 2026 · 2 min read

e-Rechnung and ebInterface: what is the XML invoice for?

Mandatory for the public sector, a blessing for your accountant, soon the EU default: everything about structured e-invoices.

Receivables12 May 2026 · 2 min read

Payment terms, Skonto and default interest: pricing time itself

14 or 30 days? Is a 2% Skonto worth it? How much interest can you charge on late payment? With real numbers.

Tips2 May 2026 · 2 min read

From quote to paid invoice: a pro workflow in 5 steps

How to build quotes that get accepted — and turn them into paid invoices in two clicks.