; and (B) any group practice or other health care provider that receives payment through an institutional provider global budget under this paragraph shall be subject to the same reporting and disclosure requirements of the institutional provider. (4) Interim adjustments The regional director shall consider a petition for adjustment of any payment under this section filed by an institutional provider at any time based on the following: (A) Factors that led to increased costs for the institutional provider that can reasonably be considered to be unanticipated and out of the control of the institutional provider, such as— (i) natural disasters; (ii) outbreaks of epidemics or infectious diseases; (iii) unexpected facility or equipment repairs or purchases; (iv) significant and unexpected increases in pharmaceutical or medical device prices; and (v) unanticipated increases in complex or high-cost patients or care needs. (B) Changes in Federal or State law that result in a change in costs. (C) Reasonable increases in labor costs, including salaries and benefits, and changes in collective bargaining agreements, prevailing wage, or local law. (b) Payment amount (1) In general The amount of each payment to a provider described in subsection (a) shall be determined before the start of each fiscal year through negotiations between the provider and the regional director with jurisdiction over such provider. Such amount shall be based on factors specified in paragraph (2). (2) Payment factors Payments negotiated pursuant to paragraph (1) shall take into account, with respect to a provider— (A) the historical volume of services provided for each item and services in the previous 3-year period; (B) the actual expenditures of such provider in such provider’s most recent cost report under title XVIII of the Social Security Act for each item and service compared to— (i) such expenditures for other institutional providers in the director’s jurisdiction