Father Xmas is a 2001 short film from director Marie Rose and the American Film Institute's Directing Workshop for Women starring Dakota Fanning as six-year-old Clairee who learns from her older brother (Stephen Fanning) that Santa Claus is not real and that their father is fighting in the Vietnam War.

Based on that paragraph can we conclude that this sentence is true?
Father Xmas featured a young Dakota Fanning who was not subject to the screen actor's guild pay guidelines because of her young age.
It's impossible to say