Sec. 61. That mining rights on public lands in the Philippine Islands shall, after the passage of this Act, be acquired only in accordance with its provisions.

Sec. 62. That all proceedings for the cancellation of perfected Spanish concessions shall be conducted in the courts of the Philippine Islands having jurisdiction of the subject-matter and of the parties, unless the United States Philippine Commission, or its successors, shall create special tribunals for the determination of such controversies.