18 U.S.C. § 2262 : US Code - Section 2262: Interstate violation of protection order

      (a) Offenses. - 
        (1) Travel or conduct of offender. - A person who travels in
      interstate or foreign commerce, or enters or leaves Indian
      country or within the special maritime and territorial
      jurisdiction of the United States, with the intent to engage in
      conduct that violates the portion of a protection order that
      prohibits or provides protection against violence, threats, or
      harassment against, contact or communication with, or physical
      proximity to, another person, or that would violate such a
      portion of a protection order in the jurisdiction in which the
      order was issued, and subsequently engages in such conduct, shall
      be punished as provided in subsection (b).
        (2) Causing travel of victim. - A person who causes another
      person to travel in interstate or foreign commerce or to enter or
      leave Indian country by force, coercion, duress, or fraud, and in
      the course of, as a result of, or to facilitate such conduct or
      travel engages in conduct that violates the portion of a
      protection order that prohibits or provides protection against
      violence, threats, or harassment against, contact or
      communication with, or physical proximity to, another person, or
      that would violate such a portion of a protection order in the
      jurisdiction in which the order was issued, shall be punished as
      provided in subsection (b).

      (b) Penalties. - A person who violates this section shall be
    fined under this title, imprisoned - 
        (1) for life or any term of years, if death of the victim
      results;
        (2) for not more than 20 years if permanent disfigurement or
      life threatening bodily injury to the victim results;
        (3) for not more than 10 years, if serious bodily injury to the
      victim results or if the offender uses a dangerous weapon during
      the offense;
        (4) as provided for the applicable conduct under chapter 109A
      if the offense would constitute an offense under chapter 109A
      (without regard to whether the offense was committed in the
      special maritime and territorial jurisdiction of the United
      States or in a Federal prison); and
        (5) for not more than 5 years, in any other case,

    or both fined and imprisoned.