(2)
refuses to depart from such portion of such building or premises after a request—
(A)
by an employee of a foreign government or of an international organization, if such employee is authorized to make such request by the senior official of the unit of such government or organization which occupies such portion of such building or premises;
(B)
by a foreign official or any member of the foreign official’s staff who is authorized by the foreign official to make such request;
(C)
by an official guest or any member of the official guest’s staff who is authorized by the official guest to make such request; or
(D)
by any person present having law enforcement powers;
shall be fined under this title or imprisoned not more than six months, or both.