You can specify the language of the invoice in two different ways: either when you create the invoice or when you save your customer information in the customer register.
Language selection when creating an invoice
When you create a new invoice, you can choose the invoice language from the customer's invoicing details section. You can choose either Finnish or English as the language.
Language selection in the customer register
You can specify an invoice language for each customer you create. The language is selected at the same time you add your customer to the customer register. There is a section at the end of the customer register where you can specify the language of the invoice. You can choose either Finnish or English as the language.