to which Indian tribe or Native Hawaiian organization an individual or organization should be referred under paragraph (1). 5. Tribal working group (a) In general The Secretary shall convene a tribal working group consisting of representatives of Indian tribes and Native Hawaiian organizations to advise the Federal Government. (b) Recommendations The tribal working group convened under subsection (a) may provide recommendations regarding— (1) the return of tangible cultural heritage by collectors, dealers, and other individuals and non-Federal organizations that hold such tangible cultural heritage