(a)
In General.—
Whoever—
(1)
forcibly assaults, resists, opposes, impedes, intimidates, or interferes with any person designated in section
1114 of this title while engaged in or on account of the performance of official duties; or
(2)
forcibly assaults or intimidates any person who formerly served as a person designated in section
1114 on account of the performance of official duties during such person’s term of service,
shall, where the acts in violation of this section constitute only simple assault, be fined under this title or imprisoned not more than one year, or both, and where such acts involve physical contact with the victim of that assault or the intent to commit another felony, be fined under this title or imprisoned not more than 8 years, or both.