Hello, If you order a commission from me here's the terms of service:

1.The Artist & Client can keeps the Artwork
2.The Client can use the Artwork for a personal display, such a wallpaper and etc.
3.The Client can use the Artwork for commercial use as display such as in their personal website, promotional material with the Artist credits.
4.The Artist can use the Artwork for their personal gallery and use it as commission promo.

Thank you for your concern :)