25 C.F.R. § 152.15
When an order removing restrictions is issued, pursuant to § 152.14 , a copy of such order will be delivered to the Indian, to any person acting in his behalf, and to the Board of County Commissioners for the county in which the Indian resides. At the time the order is delivered written notice will be given the parties that under the terms of the Act of August 11, 1955 (69 Stat. 666), the Indian or the Board of County Commissioners has, within 6 months of the date of notification, the right to appeal to the State district court for the district in which the Indian resides for an order setting aside the order removing restrictions. The timely initiation of proceedings in the State district court will stay the effective date of the order removing restrictions until such proceedings are concluded. If the State district court dismisses the appeal, the order removing restrictions will become effective 6 months after notification to the parties of such dismissal. The effect of the issuance of such order will be as prescribed in § 152.16 .
25 C.F.R. §152.15