| Date | Country | Description | Source |
|---|---|---|---|
| 2024-12-17 | Belarus | Temporary Suspension (until 12/31/26) of Article III, paragraph 1(g) of the USSR treaty (see also Ann. 2025-5) | Treasury.gov |
| 2024-06-17 | Russia | Suspension of the Russia treaty (effective August 16, 2024) (see also Ann. 2024-26) | Treasury.gov |
| 2023-12-28 | Multiple | The Chile treaty was added to the list of treaties that meet the requirements of section 1(h)(11)(C)(i)(II) (regarding "qualified foreign corporations"), and the treaties with Hungary and Russia were removed from the list | Notice 2024-11 |
| 2023-12-19 | Chile | 2010 Treaty --- entered into force | Treasury.gov |
| 2023-06-22 | Chile | 2010 Treaty --- approved by the Senate | Senate.gov |
| 2022-12-07 | Croatia | New treaty signed (but not yet ratified) | Treasury.gov |
| 2022-07-22 | Hungary | Notification of termination of 1979 treaty (see also Ann. 2024-5) | Treasury.gov |
| 2019-11-27 | Spain | 2013 Protocol to the 1993 treaty --- entered into force | State.gov |
| 2019-09-20 | Switzerland | 2009 Protocol to the 1996 treaty --- entered into force | State.gov |
| 2019-09-09 | Luxembourg | 2009 Protocol to the 1996 treaty --- entered into force | State.gov |
| 2019-08-30 | Japan | 2013 Protocol to the 2003 treaty --- entered into force | State.gov |
| 2019-07-17 | Japan | 2013 Protocol to the 2003 treaty --- approved by the Senate | Senate.gov |
| 2019-07-17 | Luxembourg | 2009 Protocol to the 1996 treaty --- approved by the Senate | Senate.gov |
| 2019-07-17 | Switzerland | 2009 Protocol to the 1996 treaty --- approved by the Senate | Senate.gov |
| 2019-07-16 | Spain | 2013 Protocol to the 1990 treaty --- approved by the Senate | Senate.gov |
| 2016-02-17 | U.S. | 2016 U.S. Model Treaty published (PDF) | Treasury.gov |
| 2015-10-29 | Japan | 2013 Protocol to the 2003 treaty --- Technical Explanation | Treasury.gov |
| 2015-10-28 | Japan | Explanation Of Proposed Protocol Amending the Income Tax Treaty Between the United States and Japan | JCT.gov |
| 2014-06-19 | Spain | 2013 Protocol to the 1990 treaty --- Technical Explanation | Treasury.gov |
| 2014-06-17 | Spain | Explanation Of Proposed Income Tax Treaty Between The United States And Spain | JCT.gov |
| 2014-06-17 | Poland | Explanation Of Proposed Income Tax Treaty Between The United States And Poland | JCT.gov |
| 2014-02-24 | Chile | Explanation Of Proposed Income Tax Treaty Between The United States And Chile | JCT.gov |
| 2014-02-21 | U.S. | Explanation of Proposed Protocol Amending the Multilateral Conventional on Mutual Administrative Assistance in Tax Matters | JCT.gov |
| 2013-02-13 | Poland | 2013 Proposed Treaty | Treasury.gov |
| 2013-02-13 | Poland | 2013 Proposed Treaty --- Technical Explanation | Treasury.gov |
| 2011-06-07 | Luxembourg | 2009 Protocol to the 1996 treaty --- Technical Explanation | Treasury.gov |
| 2011-05-20 | Hungary | Explanation Of Proposed Income Tax Treaty Between The United States And Hungary | JCT.gov |
| 2011-05-20 | Luxembourg | Explanation Of Proposed Protocol to the Income Tax Treaty Between The United States And Luxembourg | JCT.gov |
| 2011-05-20 | Switzerland | Explanation Of Proposed Protocol to the Income Tax Treaty Between The United States And Switzerland | JCT.gov |
| 2010-02-04 | Chile | 2010 Proposed Treaty | Treasury.gov |
| 2010-02-04 | Chile | 2010 Proposed Treaty --- Technical Explanation | Treasury.gov |
| 2010-02-04 | Hungary | 2010 Proposed Treaty | Treasury.gov |
| 2009-09-23 | Switzerland | 2009 Protocol to the 1996 treaty --- Technical Explanation | Treasury.gov |