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Invoicing & admin

Legally compliant invoices, what your records must contain, payment terms and getting paid on time.

13 articles

Invoicing & admin

Chasing late payers: reminders, aanmaning and collection

Your client missed the deadline. Here's the step-by-step escalation ladder: friendly reminders, formal aanmaning, interest and incassokosten, then collection agencies or court.

26 June 2026 · 9 min read

Invoicing & admin

Deposits and advance payments: protect your cash flow

Learn when to ask for deposits on big jobs, how VAT timing works on advance payments, and how to protect your cash flow without losing clients.

26 June 2026 · 8 min read

Invoicing & admin

Do you need algemene voorwaarden (terms & conditions)?

Your general terms protect payment rights, scope, liability and IP. Learn how to create them, make them binding, and deposit them at the KVK.

26 June 2026 · 8 min read

Invoicing & admin

E-invoicing and Peppol: what is coming for freelancers

What is Peppol and e-invoicing? Learn the difference from PDF invoices, the upcoming EU ViDA mandate, and how to prepare your freelance business now.

26 June 2026 · 9 min read

Invoicing & admin

Invoicing foreign clients: language, currency and VAT notes

Invoice foreign clients correctly: currency conversion, VAT rules for EU and non-EU customers, and what to include so you get paid across borders.

26 June 2026 · 10 min read

Invoicing & admin

Writing a quote (offerte) that wins and protects you

A well-crafted quote protects you legally, sets expectations clearly, and wins clients. Learn what to include, how to set scope and validity, and when to convert to an invoice.

26 June 2026 · 8 min read

Invoicing & admin

Payment terms and getting paid on time

Set clear payment terms on your invoices. Learn the legal default, how to follow up on late payments, statutory interest, and practical tips to protect your cash flow.

22 June 2026 · 7 min read

Invoicing & admin

Invoicing without VAT (under the KOR)

What a VAT-exempt invoice looks like under the KOR, what must be on it, how it differs from reverse-charge invoices, and what your customers expect.

16 June 2026 · 7 min read

Invoicing & admin

How long to keep your records (the 7-year rule)

The Dutch record retention rule: keep your business admin for 7 years. What counts, how to store it, and what auditors expect.

15 June 2026 · 7 min read

Invoicing & admin

Credit notes: how to correct or refund an invoice

When and how to issue a credit note, how they affect your VAT return, and the rules for using negative amounts on invoices.

1 June 2026 · 7 min read

Invoicing & admin

Invoice numbering: why it must be sequential

The legal requirement for unbroken invoice numbering, how to handle gaps and mistakes, and why auditors always check.

28 May 2026 · 8 min read

Invoicing & admin

How to make a professional invoice (with template)

Step-by-step guide to creating an invoice that gets paid on time, with a practical template and tips for manual and software invoicing.

24 May 2026 · 7 min read

Invoicing & admin

Invoice requirements: what must be on every invoice

The complete checklist of mandatory invoice fields under Dutch law. Get the legal details right so your invoices stand up to tax audit.

22 May 2026 · 6 min read

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ZZP Belasting

Stop wrestling with spreadsheets

ZZP Belasting turns your invoices and expenses into a ready-to-file quarterly BTW return and a live income-tax forecast. Built for Dutch freelancers.