; and (ii) the enrollees of which represent the highest number of patients of the hospital or center, respectively. (4) Computation of uninsured individual average charges (A) In general For purposes of subsections (a)(1)(B)(iii) and (a)(2)(B)(iii), an uninsured individual average charge for a treatment episode, with respect to a hospital or ambulatory surgical center during a period, shall be computed as the average of the total amounts charged for such an episode for which care was furnished to an uninsured individual by such hospital or ambulatory surgical center during such period. (B) Uninsured individual defined For purposes of subparagraph (A), the term uninsured individual means, with respect to care furnished to the individual by a hospital or ambulatory surgical center, an individual who does not have insurance or other third-party contractual benefits that provides payment for costs incurred for such care. (5) Form of report and notice The regulations and guidelines under paragraph (1) shall specify the electronic form and manner by which a hospital or an ambulatory surgical center shall report data under subsection (a) and the form for posting of notices under subsection (b)(2). (f) Rules of Construction (1) Non-preemption of State laws Nothing in this section shall be construed as preempting or otherwise affecting any provision of State law relating to the disclosure of charges or other information for a hospital or an ambulatory surgical center. (2) Charges Nothing in this section shall be construed to regulate or set hospital or ambulatory surgical center charges. (g) Hospital and ambulatory surgical center defined For purposes of this section, the terms hospital and ambulatory surgical center have the meaning given such terms by the Secretary. .