; or (B) a part-time employee who agrees to serve for not less than 2 years in the service beginning on the date of the agreement. . 102. Medical credentialing system Title I of the Indian Health Care Improvement Act ( 25 U.S.C. 1611 et seq.), as amended by section 101, is further amended by adding at the end the following: 126. Medical credentialing system (a) In general By not later than 1 year after the date of enactment of the Restoring Accountability in the Indian Health Service Act of 2017 , the Secretary, acting through the Service and in accordance with the requirements described in subsection (b), shall develop and implement a Service-wide centralized credentialing system (referred to in this section as the credentialing system ) to credential licensed health professionals who seek to provide health care services at any Service unit. (b) Requirements In developing the credentialing system under subsection (a), the Secretary shall ensure the following: (1) Credentialing procedures shall be uniform throughout the Service. (2) With respect to each licensed health professional who successfully completes the credentialing procedures of the credentialing system, the Secretary shall authorize each such professional to provide health care services at any Service unit. (c) Consultation In developing the credentialing system under subsection (a), the Secretary shall consult with Indian tribes and may also consult with any public or private association of medical providers, any government agency, or other relevant expert, as determined by the Secretary. (d) Application A licensed health care professional may not provide health care services at any Service unit, unless such professional successfully completes the credentialing procedures of the credentialing system developed under subsection (a). (e) Regulations The Secretary may prescribe such regulations as may be necessary to carry out the provisions of this section. (f) Rule of construction This section may not be construed to inhibit the authority of an Indian