; (ii) 3 years after the date of such approval; (iii) 240 days after the date of such approval if such position has not been filled by an H–2C nonimmigrant at any point during such time; or (iv) upon termination of the registered position by the employer. (B) Renewal An approval under subparagraph (A) shall be renewed for not more than 2 additional periods at the request of the registered employer as provided in this subparagraph if such registered employer fulfills the requirements of paragraphs (1)(C) and (2). (C) Renewing employer exemption Renewals of registered positions by employers shall not be counted toward the limits established under paragraph (1)(A) or (2)(D) of subsection (f) or counted for the purposes of a numerical limitation under subparagraph (B) or (C) of subsection (f)(2). (D) Secretary authority to terminate registered position The Secretary shall terminate a registered position if the Secretary determines— (i) that an employer has purposefully allowed a registered position to be used for an alien to gain admission to the United States as an H–2C nonimmigrant with no intention of such alien working for such registered employer