The {Language} field in the print dialog sets the language in which the document or report is printed. The language of the logged-in user is offered by default; choosing another language prints the same document in the chosen language, regardless of the interface language. The document data stay the same — only the field names and texts on the printout change. The field is available in the print dialogs of documents (invoice, quote, delivery note…) and reports (trial balance, account cards…).