Subject to subsection (c), if a law enforcement officer or employee of any Federal department or agency terminates an investigation of an alleged violation of Federal criminal law in Indian country without referral for prosecution, the officer or employee shall coordinate with the appropriate tribal law enforcement officials regarding the status of the investigation and the use of evidence relevant to the case in a tribal court with authority over the crime alleged.
Subject to subsection (c), if a United States Attorney declines to prosecute, or acts to terminate prosecution of, an alleged violation of Federal criminal law in Indian country, the United States Attorney shall coordinate with the appropriate tribal justice officials regarding the status of the investigation and the use of evidence relevant to the case in a tribal court with authority over the crime alleged.
Nothing in this section requires any Federal agency or official to transfer or disclose any confidential, privileged, or statutorily protected communication, information, or source to an official of any Indian tribe.