Русско-англо-русский юридический словарь

We will ship your official company registration documents to you free of charge. (http://www.ukcompany.limited)

If something is free of charge, it does not cost anything: The leaflet is available free of charge from post offices. (COBUILD Advanced English Dictionary)

They were giving the tickets away free of charge. (Wiktionary)

Your solicitor will keep the original document in “safe custody” where you can access it at any time you need to free of charge. (Thompson Madden Solicitors)