Parties and Range States
| Title | Status | Status date | CMS Party number | Region |
|---|---|---|---|---|
| United Republic of Tanzania | Range State | 059 | Africa | |
| United Republic of Tanzania | Range State | 059 | Africa | |
| United Republic of Tanzania | Range State | 059 | Africa | |
| United Republic of Tanzania | Range State | 059 | Africa | |
| United States Minor Outlying Islands | ||||
| United States of America | MOU Signatory | 2001 | AM | North America |
| United States of America | MOU Signatory | 2010 | AM | North America |
| United States of America | MOU Signatory | 2012 | AM | North America |
| United States of America | Range State | AM | North America | |
| United States of America | Non-Party | AM | North America | |
| Uruguay | Party | 1990 | 031 | South & Central America & The Caribbean |
| Uruguay | Party | 2008 | 031 | South & Central America & The Caribbean |
| Uruguay | MOU Signatory | 2007 | 031 | South & Central America & The Caribbean |
| Uruguay | Range State | 031 | South & Central America & The Caribbean | |
| US Virgin Islands | South & Central America & The Caribbean | |||
| Uzbekistan | Range State | 055 | Asia | |
| Uzbekistan | Party | 1998 | 055 | Asia |
| Uzbekistan | Party | 2004 | 055 | Asia |
| Uzbekistan | MOU Signatory | 1998 | 055 | Asia |
| Uzbekistan | MOU Signatory | 1994 | 055 | Asia |