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13.3. Calendar of Important Compliance Events

Tax Year

The tax year in Monaco is the calendar year, i.e., 1 January to 31 December. Alternative tax years are allowed.

Tax Return Filing

Annual tax returns must be filed within 3 months of the close of the tax year.

Tax Payments

Companies in Monaco are required to make 4 advance tax payments in February, May, August and November. Each payment is equal to 20% of the tax due for the latest accounting period.

The balance tax due is required to be paid by the due date of filing the tax return.

Availability of E-Filing

E-filing is available on the portal service-public-entreprises.gouv.mc