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E-invoicing and business file formats in Monaco

Understand local business file formats, invoice scope and official channels. Read the current authority sources before relying on a mandate date.

On this page

Monaco requires an invoice for every transaction between professionals, and allows invoices to be sent electronically if the recipient accepts and an electronic signature guarantees their origin and content. Klarbon has not found an official Monegasque source that makes e-invoicing mandatory.

This page summarises the Princely Government's Mon Entreprise page on obligatory invoice notices, last updated on 28 July 2026 and checked on 5 November 2026. It is not tax advice; your expert-comptable can tell you how the rules apply to you.

What applies to whom?

Obligation Who From Channel Status Source
Issue an invoice Professionals in relations with other professionals, whatever the business Ministerial Decree no. 67-319 of 28 December 1967 paper or electronic in force Mon Entreprise
Send invoices electronically Sellers whose recipient accepts the source gives no date electronic, with an electronic signature optional Mon Entreprise
Mandatory e-invoicing no official source found

The notices an invoice must carry are mostly set by the Turnover Tax Code. Amounts may be in any currency if the tax due is calculated in euros, and the Department of Tax Services can ask for a French translation of an invoice in another language.

Which formats are used?

Format Used for Notes
Signed electronic invoice invoices sent electronically with the recipient's consent the source does not name a format

What can Klarbon do with Monaco invoices?

You want to Tool Limit
Read a Factur-X or other European e-invoice open an e-invoice, free reads the invoice data
Check a Factur-X or UBL invoice against EN 16931 check an e-invoice, free within the daily limit EN 16931 rules only, not national rules

E-invoicing deadlines by country

Country Scope Obligation From Who Source
Last checked 5 November 2026.

Frequently asked questions

Is e-invoicing mandatory in Monaco?

The Princely Government's business portal, updated on 28 July 2026, says invoices may be sent electronically if the recipient accepts, with an electronic signature guaranteeing origin and content. Klarbon has not found an official Monegasque source that makes e-invoicing mandatory.

Do French e-invoicing rules apply in Monaco?

Klarbon has not found an official Monegasque source that applies France's e-invoicing reform to Monaco. Check with the Department of Tax Services or your adviser before you assume it does.

Which notices must a Monaco invoice carry?

Under the Turnover Tax Code, among others the names and addresses of seller and client, the VAT identification number, a unique number in a continuous sequence, the date of issue, and for each item the quantity, description, unit price before tax and VAT rate or exemption. Companies on the Trade and Industry Register add their RCI number and legal details.

Can a Monaco invoice be in a foreign currency or language?

Yes. Amounts may be in any currency, provided the tax due is calculated in euros, and the Department of Tax Services can ask for a French translation of an invoice in another language.

Sources

Updated 5 November 2026

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