Okla. Stat. tit. 82 § 1422
This ratification is subject to the State of Oklahoma and the State of Arkansas, acting through their duly authorized compact representatives, amending said "Arkansas River Basin Compact" in the particulars as set forth hereinafter, and further, the ratification of said amendment of said compact by the Legislature of the State of Arkansas. Said amendment being expressed as follows:
The following language shall be added to Article VI, Section A of said compact, towit: "Provided however that nothing contained in this compact or its ratification by Arkansas or Oklahoma shall be interpreted as granting either state or the parties hereto the right or power of eminent domain in any manner whatsoever outside the borders of its own state."
Okla. Stat. tit. 82, § 1422