furnished to a veteran under this section, the Secretary may adjust the copayment required of the veteran under this subsection based upon the priority group of enrollment of the veteran, the number of episodes of care furnished to the veteran during a year, and other factors the Secretary considers appropriate under this section. (3) The amount or amounts of the copayments required under this subsection shall be prescribed by the Secretary by rule. (4) Section 8153(c) of this title shall not apply to this subsection. (g) Regulations Not later than one year after the date of the enactment of the Caring for our Veterans Act of 2017 , the Secretary shall promulgate regulations to carry out this section. (h) Walk-in care defined In this section, the term walk-in care means non-emergent care provided by a qualifying non-Department entity or provider that furnishes episodic care and not longitudinal management of conditions and is otherwise defined through regulations the Secretary shall promulgate. . (b) Effective date Section 1725A of title 38, United States Code, as added by subsection (a) shall take effect on the date upon which final regulations implementing such section take effect. (c) Clerical amendment The table of sections at the beginning of such chapter is amended by inserting after the item related to section 1725 the following new item: §1725A. Access to walk-in care. . 106. Strategy regarding the Department of Veterans Affairs High-Performing Integrated Health Care Network (a) Market area assessments (1) In general Not less frequently than every four years, the Secretary of Veterans Affairs shall perform market area assessments regarding the health care services furnished under the laws administered by the Secretary. (2) Elements Each market area assessment established under paragraph (1) shall include the following: (A) An assessment of the demand for health care from the Department, disaggregated by geographic market areas as determined by the Secretary, including the number of requests for health