25 C.F.R. § 900.242 What is the effective date of retrocession?
Title 25 - Indians
The retrocession is effective on the date which is the earliest date among: (a) One year from the date of the Indian tribe or tribal organization's request; (b) The date the contract expires; or (c) A mutually agreed-upon date.
Title 25: Indians
PART 900—CONTRACTS UNDER THE INDIAN SELF-DETERMINATION AND EDUCATION ASSISTANCE ACT
Subpart P—Retrocession and Reassumption Procedures
§ 900.242 What is the effective date of retrocession?