43 U.S.C. § 2507

Whenever it shall appear to the Secretary of the Interior, or such officer as he may designate, that an error was made prior to March 9, 1904 , by the officers of any local land office in receiving any application, declaratory statement, entry, or final proof under the homestead or other land laws, and that there was no fraud practiced by the entryman, and that there are no prior adverse claimants to the land described in the entry, and that no other reason why the title should not vest in the entryman exists, except that said application, declaratory statement, entry, or proof was not made within the land district in which the lands applied for were situated, as provided by the Act of March 11, 1902 , such entry or proof shall be confirmed.