; (2) the incidence and prevalence of the delivery of unanticipated out-of-network health care services, in the cases of emergency services and in the cases of care at in-network hospitals or facilities provided by out-of-network providers; (3) the adequacy of provider networks offered by health plans and health insurance issuers (as such terms are defined in section 2791 of the Public Health Service Act ( 42 U.S.C. 300gg–91 )); (4) a comparison of the different claims databases used and the impact of using such databases on reimbursement rates; (5) the number of bills that are settled through negotiations pursuant to subsection (f)(2) of section 2719A of the Public Health Service Act ( 42 U.S.C. 300gg–19a ), as added by section 2, and the number of bills that go to the independent dispute resolution process under subsection (f)(3) of such section, as so added; (6) the administrative cost of such independent dispute resolution process; and (7) the estimated impact of such independent dispute resolution process on health insurance premiums and deductibles. (b) Billing feasibility study Not later than 3 years after the date of the enactment of this Act, the Secretary of Health and Human Services shall conduct, and submit to Congress (and make public), a feasibility study on the provision of a single bill for all services provided for a single episode of care, as defined by the Secretary. 9. Regulations Not later than one year after the date of the enactment of this Act, the Secretary of Labor and the Secretary of Health and Human Services shall promulgate regulations pertaining to carry out the provisions (including amendments made by) this Act.