1. Short title This Act may be cited as the Stigler Act Amendments of 2017 . 2. In general The first section of the Act of August 4, 1947 (61 Stat. 731, chapter 458), is amended— (1) in the matter before subsection (a), by striking That all restrictions and all that follows through subsection (a) and inserting the following: 1. All restrictions against alienation, conveyance, lease, mortgage, creation of liens, or other encumbrances upon all lands, including oil and gas or other mineral interests, in Oklahoma belonging to a lineal descendant by blood of an original enrollee whose name appears on the Final Indian Rolls of the Five Civilized Tribes in Indian Territory, whether acquired by allotment, inheritance, devise, gift, purchase, exchange, partition, partition sale, or by purchase with restricted funds, of whatever degree of Indian blood, and whether enrolled or unenrolled, shall be and are hereby, extended until an Act of Congress determines otherwise, including, without limitation, those interests in the estate of a decedent Indian who died before the date of enactment of Stigler Act Amendments of 2017 that were, immediately prior to the decedent's death, subject to restrictions that had not, as of said date, been— (1) the subject of a final order issued by an Oklahoma district court or a United States district court determining the decedent's heirs or devisees or otherwise determining the ownership of said interests; (2) conveyed by the decedent's undetermined heirs or devisees by deed approved by an Oklahoma district court