You've just landed your first client in Mauritius — congratulations. Now you need to send an invoice. It sounds straightforward, but a poorly structured invoice can cost you dearly: rejection during a MRA audit, a dispute with your client, or an avoidable payment delay. This guide shows you exactly how to get it right from day one (applicable to companies with annual turnover of Rs 3M or more).

What the MRA Requires on Every Invoice

Before thinking about layout or software, let's focus on substance: the Mauritius Revenue Authority has defined mandatory fields that every invoice issued in Mauritius must include. Without them, your document is not a legal invoice — it's just a purchase order.

👉 Mandatory fields per the MRA: full name or company name, professional address, Business Registration Number (BRN), VAT registration number (if registered), unique sequential invoice number, date of issue, full client details, detailed description of goods or services, amounts excluding VAT, applicable VAT, and total including VAT.

5 Steps to Create Your Invoice

  • Gather your seller information

    Have your full name or company name, your professional address in Mauritius, and most importantly your BRN (Business Registration Number) ready — it's mandatory on every invoice, even as a Sole Trader. Without a BRN, your invoice is non-compliant. Obtain one via the Registrar of Companies if you haven't done so already.

  • Use strict sequential numbering

    The MRA requires a unique, sequential number with no gaps. Valid examples: INV-2026-001, 2026-001. Never use a random number and never skip a number — a gap in the sequence can trigger a request for explanation during a tax audit.

  • Describe your services with precision

    A vague entry like "Services rendered" is not sufficient. Be specific: "Website development — 40h × Rs 500/h — January 2026" or "Digital marketing consulting — 3 days — Lux Beach Resort project". The clearer the description, the lower your risk of a dispute with your client or the MRA.

  • Apply the correct VAT rate

    The rate depends on your client's location: 15% for clients based in Mauritius, 0% (zero-rated) for clients outside Mauritius on exported services. Some services are exempt (education, health…). When in doubt, refer to the MRA VAT guidance.

  • Set clear payment terms

    Always state the due date (standard: 30 days from issue), the accepted payment methods (bank transfer, cheque, MCB Juice…), and if applicable, your late payment penalties. These details prevent endless follow-up emails.

👉 Zero-rated VAT: don't forget the mandatory label. If you invoice a client outside Mauritius, VAT is 0% — but you must explicitly include the wording "Zero-rated supply" on the invoice. Without it, the MRA may reclassify the transaction as taxable at 15% during an audit.

The 3 Classic Mistakes on a First Invoice

👎 Mistake #1 — Forgetting the BRN

This is the most common error among new entrepreneurs. The BRN is not optional: without it, your invoice has no legal standing in Mauritius. Make sure it appears clearly in the header of every document you send.

👎 Mistake #2 — Mixing currencies without stating the exchange rate

Invoicing in euros or dollars for a foreign client is perfectly legal, but you must indicate the exchange rate applied and the reference date, so the MRA can verify consistency with your tax filings.

👎 Mistake #3 — Charging local VAT to a foreign client

Adding 15% VAT to an invoice for a client based in France or Kenya is an error that can lead to a complicated refund process or an outright financial loss. Exported services are zero-rated as long as the client is established outside Mauritius.

Do You Need Invoicing Software from Day One?

Technically, no. An entrepreneur just starting out can create their first invoices in a spreadsheet or word processor — as long as every mandatory field is included. But in practice, dedicated software saves you time on every invoice, eliminates the risk of missing fields (BRN, numbering, VAT), and automatically generates the summaries you need for your MRA filings.

The real question isn't whether to use software, but when — and starting with your very first client gives you guaranteed compliance without having to memorise MRA rules by heart.

Facture.mu is built for the Mauritius market: BRN included, local and zero-rated VAT handled automatically, sequential numbering, and MRA-compliant PDF export in one click.

Create my first invoice for free →