I, the artist, hold every right to the produced drawing, not the commissioner.

Therefore I´m allowed to use the copyrighted artwork to;
Promote myself with in any place or site.
To display it anywhere to my liking.
Post it with a commission watermark.

The commissioner are allowed to;
Use the copyrighted artwork for personal use only unless agreed otherwise.
Print the art, and claim the right of their character(s) but not the drawing itself.
Use the art to promote themselves with proper credit given to the artist.

If you break the copyright infringement in any way, every right you had to the drawing will be retracted.

The following is considered Copyright infringement:

Reproducing/using the copyrighted artwork commercially. (Meaning making money of it in any way)
Taking Credit for the creation of the artwork.
Removing any watermarks/signatures.
altering the artwork without my, the artist´s, consent.

Thank you.