Deposit is keep original copyright or 5M VND and copy of copyright. These days any accommodation is satisfied with copyright on your own cellular phone along with a laminated copy which we do for you so Pretty much Every person leaves copyright to save lots of the effort with dollars. https://docs.google.com/drawings/d/1qVmmvQP85Zdj6z2QlBS9_XMh6IFUjAZExJ9RiJ9a8MM/edit?usp=sharing