; (B) the District of Columbia; (C) the Commonwealth of Puerto Rico; (D) Guam; (E) the United States Virgin Islands; (F) American Samoa; and (G) the Commonwealth of the Northern Mariana Islands. (6) United States corporation The term United States corporation means a large entity with respect to which the Office has granted a charter under section 3. 3. Office of United States Corporations (a) Establishment There is established within the Department of Commerce the Office of United States Corporations. (b) Director (1) Establishment of position There is established the position of Director of the Office, who shall be the head of the Office. (2) Appointment; term (A) Appointment Except as provided in subparagraph (E), the Director shall be appointed by the President, by and with the advice and consent of the Senate, from among individuals who are citizens of the United States. (B) Term The Director shall be appointed for a term of 4 years, unless removed before the end of that term by the President. (C) Vacancy A vacancy in the position of Director that occurs before the expiration of the term for which a Director was appointed shall be filled in the manner established under subparagraph (A), and the Director appointed to fill that vacancy shall be appointed only for the remainder of that term. (D) Service after end of term An individual may serve as the Director after the expiration of the term for which the individual was appointed until a successor has been appointed. (E) Initial Director The Secretary of Commerce shall appoint an individual to serve as the Director until an individual is appointed to serve as the Director in accordance with subparagraph (A). (c) Duties The Office shall— (1) review and grant charter applications for large entities; (2) monitor whether large entities have obtained a charter in accordance with this Act; (3) except as provided in paragraph (4)(B), refer any violation of this Act to the appropriate Federal agency for enforcement with respect to that violation