# § 620o. Definitions
As used in this chapter—
The terms “Colorado River Basin”, “Colorado River Compact”, “Colorado River System”, “Lee Ferry”, “States of the Upper Division”, “Upper Basin”, and “domestic use” shall have the meaning ascribed to them in article II of the Upper Colorado River Basin Compact;
The term “States of the Upper Colorado River Basin” shall mean the States of Arizona, Colorado, New Mexico, Utah, and Wyoming;
The term “Upper Colorado River Basin” shall have the same meaning as the term “Upper Basin”;October 11, 1948April 6, 194963 Stat. 31
The term “Upper Colorado River Basin Compact” shall mean that certain compact executed on by commissioners representing the States of Arizona, Colorado, New Mexico, Utah, and Wyoming, and consented to by the Congress of the United States of America by Act of ();March 18, 1938May 31, 193953 Stat. 785
The term “Rio Grande Compact” shall mean that certain compact executed on , by commissioners representing the States of Colorado, New Mexico, and Texas and consented to by the Congress of the United States of America by Act of ();February 3, 1944November 14, 1944April 18, 1945
The term “Treaty with the United Mexican States” shall mean that certain treaty between the United States of America and the United Mexican States, signed at Washington, District of Columbia, , relating to the utilization of the waters of the Colorado River and other rivers, as amended and supplemented by the protocol dated , and the understandings recited in the Senate resolution of , advising and consenting to ratification thereof.
---
**Source Credit**: (Apr. 11, 1956, ch. 203, § 17, formerly § 16, 70 Stat. 111; temporarily renumbered § 17, Pub. L. 111–11, title X, § 10401(b)(1), Mar. 30, 2009, 123 Stat. 1371.)
### Renumbering of Section
For termination of renumbering of this section by , see Termination Date of 2009 Amendment note below.
## Editorial Notes
### References in Text
Act of , referred to in text, is , , which is not classified to the Code.
Act of , referred to in text, is , , which is not classified to the Code.
## Statutory Notes and Related Subsidiaries
### Termination Date of 2009 Amendment
Amendment by to be null and void on issuance of a court order terminating a certain Agreement and Contract between New Mexico, the Navajo Nation, and the United States, see , set out as an Agreement note under .