25 CFR § 11.400 - Assault.
(a) A person is guilty of assault if he or she:
(1) Attempts to cause or purposely, knowingly or recklessly causes bodily injury to another; or
(2) Negligently causes bodily injury to another with a deadly weapon; or
(3) Attempts by physical menace to put another in fear of imminent serious bodily injury.
(b) Assault is a misdemeanor unless committed in a fight or scuffle entered into by mutual consent, in which case it is a petty misdemeanor.