; and (B) coordination of policies relating to enforcing the same requirements through such Secretaries in order to have a coordinated enforcement strategy that avoids duplication of enforcement efforts and assigns priorities in enforcement. (4) Rule of construction Nothing in this title, including the amendments made by this title may be construed as modifying, reducing, or eliminating— (A) the protections under section 222 of the Indian Health Care Improvement Act ( 25 U.S.C. 1621u ) and under subpart I of part 136 of title 42, Code of Federal Regulations (or any successor regulation), against payment liability for a patient who receives contract health services that are authorized by the Indian Health Service