25 C.F.R. § 213.10 Lessor's signature.
Title 25 - Indians
Any Indian who cannot write his name will be required to sign all official papers by making a distinct thumbprint which shall be designated as “right” or “left” thumbmark. Such signatures must be witnessed by two persons, one of whom must be a U.S. Government employee (such as field clerk, postmaster, U.S. Commissioner, etc.).
Title 25: Indians
PART 213—LEASING OF RESTRICTED LANDS OF MEMBERS OF FIVE CIVILIZED TRIBES, OKLAHOMA, FOR MINING
How To Acquire Leases
§ 213.10 Lessor's signature.
