The law establishes what data must be present on the invoice so that it complies with the Estonian Accounting Legislation.

The following information needs to be written on invoices:

• Title (e.g. “Invoice” or similar)
• Invoice number
• Date of issue
• Description of goods or services purchased
• Numerical data (amount, price of a unit, total sum)
• Names of the seller and buyer
• Addresses of the seller and buyer
• Seller’s company registration number
• Seller’s VAT number (in case the seller has it)

There are certain restrictions for source documents, take a look at information about requirements.