25 U.S.C. § 3741
Regulations
Except as otherwise provided by this chapter, the Secretary shall promulgate final regulations for the implementation of this chapter within 24 months after December 3, 1993 . All regulations promulgated pursuant to this chapter shall be developed by the Secretary with the participation of the affected Indian tribes.
( Pub. L. 103–177, title III, § 301 , Dec. 3, 1993 , 107 Stat. 2022 .)