Portugal has EOI relations with 118 countries through 95 treaties.
| Treaty Type | |
| Sum | 95 |
| DTC | 75 |
| FATCA | 1 |
| Multilateral | 3 |
| TIEA | 16 |
| Jurisdiction | Type | Treaty | Signed | Entered into force | Exchange of Information | |
|---|---|---|---|---|---|---|
| Albania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2013 | Dec. 1, 2013 | On Request | ||
| Algeria | DTC | DTC DZ PT | Dec. 2, 2003 | May 1, 2006 | Uncertain | |
| Andorra | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AD PT | Nov. 30, 2009 | March 31, 2011 | On Request | ||
| DTC | DTC AD PT | Sept. 27, 2015 | No | Uncertain | ||
| Anguilla | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| TIEA | TIEA AI PT | Feb. 28, 2011 | No | On Request | ||
| Antigua and Barbuda | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA AG PT | Sept. 13, 2010 | No | On Request | ||
| Argentina | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Jan. 1, 2013 | Jan. 1, 2013 | On Request | ||
| Aruba | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Australia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2012 | Dec. 1, 2012 | On Request | ||
| Austria | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2014 | Dec. 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC AT PT | Dec. 29, 1970 | Feb. 28, 1972 | Uncertain | ||
| Azerbaijan | Multilateral | MCON-Amend | Sept. 1, 2015 | Sept. 1, 2015 | On Request | |
| Barbados | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC BB PT | Oct. 22, 2010 | No | Uncertain | ||
| Belgium | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | April 1, 2015 | April 1, 2015 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC BE PT | July 16, 1969 | Feb. 19, 1971 | Uncertain | ||
| Belize | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| TIEA | TIEA BZ PT | Oct. 22, 2010 | No | On Request | ||
| Bermuda | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA BM PT | May 10, 2010 | April 5, 2011 | On Request | ||
| Brazil | DTC | DTC BR PT | May 16, 2000 | Oct. 5, 2001 | Uncertain | |
| Bulgaria | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | July 1, 2016 | July 1, 2016 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC BG PT | June 15, 1995 | July 18, 1996 | Uncertain | ||
| Cabo Verde | DTC | DTC CV PT | March 22, 1999 | Dec. 15, 2000 | Uncertain | |
| Cameroon | Multilateral | MCON-Amend | June 30, 2015 | June 30, 2015 | On Request | |
| Canada | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Nov. 21, 2013 | Nov. 21, 2013 | On Request | ||
| DTC | DTC CA PT | June 14, 1999 | Oct. 24, 2001 | Uncertain | ||
| Cayman Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Jan. 1, 2014 | Jan. 1, 2014 | On Request | ||
| TIEA | TIEA KY PT | May 13, 2010 | May 18, 2011 | On Request | ||
| Chile | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| DTC | DTC CL PT | July 7, 2005 | Aug. 25, 2008 | Uncertain | ||
| China | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Feb. 1, 2016 | Feb. 1, 2016 | On Request | ||
| DTC | DTC CN PT | April 21, 1998 | June 7, 2000 | Uncertain | ||
| Colombia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC CO PT | Aug. 30, 2010 | Jan. 30, 2015 | Uncertain | ||
| Multilateral | MCON-Amend | July 1, 2014 | July 1, 2014 | On Request | ||
| Cook Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Costa Rica | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Aug. 1, 2013 | Aug. 1, 2013 | On Request | ||
| Croatia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC HR PT | Oct. 4, 2013 | Feb. 28, 2015 | Uncertain | ||
| Multilateral | MCON-Amend | June 1, 2014 | June 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| Cuba | DTC | DTC CU PT | Oct. 30, 2000 | Dec. 28, 2005 | Uncertain | |
| Curaçao | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Cyprus | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | April 1, 2015 | April 1, 2015 | On Request | ||
| DTC | DTC CY PT | Nov. 19, 2012 | Aug. 16, 2013 | Uncertain | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| Czech Republic | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Feb. 1, 2014 | Feb. 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC CZ PT | May 24, 1994 | Oct. 1, 1997 | Uncertain | ||
| Côte d'Ivoire | DTC | DTC CI PT | March 17, 2015 | No | Uncertain | |
| Denmark | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC DK PT | Dec. 14, 2000 | May 24, 2002 | Uncertain | ||
| Dominica | TIEA | TIEA DM PT | Oct. 5, 2010 | Oct. 5, 2010 | On Request | |
| Estonia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC EE PT | May 13, 2003 | July 23, 2004 | Uncertain | ||
| Ethiopia | DTC | DTC ET PT | May 25, 2013 | No | Uncertain | |
| Faroe Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| Finland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| Multilateral | MCON-Amend | Dec. 21, 2010 | Dec. 21, 2010 | On Request | ||
| DTC | DTC FI PT | April 27, 1970 | July 14, 1971 | Uncertain | ||
| France | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | April 1, 2012 | April 1, 2012 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC FR PT | Jan. 14, 1971 | Nov. 18, 1972 | Uncertain | ||
| Georgia | Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | |
| Germany | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2015 | Dec. 1, 2015 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC DE PT | July 15, 1980 | Oct. 8, 1982 | Uncertain | ||
| Ghana | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Gibraltar | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| TIEA | TIEA GI PT | Oct. 14, 2009 | April 24, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| Greece | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC GR PT | Dec. 2, 1999 | Aug. 13, 2002 | Uncertain | ||
| Greenland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Grenada | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Guernsey | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Aug. 1, 2014 | Aug. 1, 2014 | On Request | ||
| TIEA | TIEA GG PT | July 9, 2010 | No | On Request | ||
| Guinea-Bissau | DTC | DTC GW PT | Oct. 17, 2008 | July 5, 2012 | Uncertain | |
| Hong Kong | DTC | DTC HK PT | March 22, 2011 | June 3, 2012 | Uncertain | |
| Hungary | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2015 | March 1, 2015 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC HU PT | May 16, 1995 | May 8, 2000 | Uncertain | ||
| Iceland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Feb. 1, 2012 | Feb. 1, 2012 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC IS PT | Aug. 2, 1999 | April 11, 2002 | Uncertain | ||
| India | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2012 | June 1, 2012 | On Request | ||
| DTC | DTC IN PT | Sept. 11, 1998 | April 5, 2000 | Uncertain | ||
| Indonesia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | May 1, 2015 | May 1, 2015 | On Request | ||
| DTC | DTC ID PT | July 9, 2003 | May 11, 2007 | Uncertain | ||
| Ireland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC IE PT | June 1, 1993 | July 11, 1994 | Uncertain | ||
| Isle of Man | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| TIEA | TIEA IM PT | July 9, 2010 | Jan. 18, 2012 | On Request | ||
| Israel | DTC | DTC IL PT | Sept. 26, 2006 | Feb. 18, 2008 | Uncertain | |
| Italy | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | May 1, 2012 | May 1, 2012 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC IT PT | May 14, 1980 | Jan. 15, 1983 | Uncertain | ||
| Japan | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2013 | Oct. 1, 2013 | On Request | ||
| DTC | DTC JP PT | Dec. 19, 2011 | July 28, 2013 | Uncertain | ||
| Jersey | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2014 | June 1, 2014 | On Request | ||
| TIEA | TIEA JE PT | July 9, 2010 | Nov. 9, 2011 | On Request | ||
| Kazakhstan | Multilateral | MCON-Amend | Aug. 1, 2015 | Aug. 1, 2015 | On Request | |
| DTC | DTC KZ PT | June 19, 2001 | March 1, 2015 | Uncertain | ||
| Kuwait | DTC | DTC KW PT | Feb. 23, 2010 | Dec. 5, 2013 | Uncertain | |
| Latvia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC LV PT | June 19, 2001 | July 3, 2003 | Uncertain | ||
| Liberia | TIEA | TIEA LR PT | Jan. 14, 2011 | No | On Request | |
| Liechtenstein | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| Lithuania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2014 | June 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC LT PT | Feb. 14, 2002 | Feb. 26, 2003 | Uncertain | ||
| Luxembourg | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC LU PT | May 25, 1999 | Dec. 30, 2000 | Uncertain | ||
| Macao | DTC | DTC MO PT | Sept. 28, 1999 | Sept. 28, 1999 | Uncertain | |
| Malaysia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Malta | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC MT PT | Jan. 26, 2001 | April 5, 2002 | Uncertain | ||
| Marshall Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Mauritius | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2015 | Dec. 1, 2015 | On Request | ||
| Mexico | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2012 | Sept. 1, 2012 | On Request | ||
| DTC | DTC MX PT | Nov. 11, 1999 | Jan. 9, 2001 | Uncertain | ||
| Moldova | Multilateral | MCON-Amend | March 1, 2012 | March 1, 2012 | On Request | |
| DTC | DTC MD PT | Feb. 11, 2009 | Oct. 18, 2010 | Uncertain | ||
| Monaco | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Montserrat | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2013 | Oct. 1, 2013 | On Request | ||
| Morocco | DTC | DTC MA PT | Sept. 29, 1997 | June 27, 2000 | Uncertain | |
| Mozambique | DTC | DTC MZ PT | March 21, 1991 | Jan. 1, 1994 | Uncertain | |
| Netherlands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC NL PT | Sept. 20, 1999 | Aug. 11, 2000 | Uncertain | ||
| New Zealand | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| Nigeria | Multilateral | MCON-Amend | Sept. 1, 2015 | Sept. 1, 2015 | On Request | |
| Niue | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Norway | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC NO PT | March 10, 2011 | June 15, 2012 | Uncertain | ||
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| Pakistan | DTC | DTC PK PT | June 23, 2000 | June 4, 2007 | Uncertain | |
| Panama | DTC | DTC PA PT | Aug. 27, 2010 | June 10, 2012 | Uncertain | |
| Peru | DTC | DTC PE PT | Nov. 19, 2012 | April 12, 2014 | Uncertain | |
| Poland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2011 | Oct. 1, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC PL PT | May 9, 1995 | Feb. 4, 1998 | Uncertain | ||
| Qatar | DTC | DTC PT QA | Dec. 12, 2011 | April 4, 2014 | Uncertain | |
| Romania | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Nov. 1, 2014 | Nov. 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC PT RO | Sept. 16, 1997 | July 14, 1999 | Uncertain | ||
| Russia | Multilateral | MCON-Amend | July 1, 2015 | July 1, 2015 | On Request | |
| DTC | DTC PT RU | May 29, 2000 | Dec. 11, 2002 | Uncertain | ||
| Saint Kitts and Nevis | TIEA | TIEA KN PT | July 29, 2010 | No | On Request | |
| Saint Lucia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| TIEA | TIEA LC PT | July 14, 2010 | Oct. 28, 2011 | On Request | ||
| Saint Vincent and the Grenadines | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Samoa | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| San Marino | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| DTC | DTC PT SM | Nov. 18, 2010 | Dec. 2, 2015 | Uncertain | ||
| Multilateral | MCON-Amend | Dec. 1, 2015 | Dec. 1, 2015 | On Request | ||
| Sao Tome and Principe | DTC | DTC PT ST | March 5, 2015 | No | Uncertain | |
| Saudi Arabia | Multilateral | MCON-Amend | April 1, 2016 | April 1, 2016 | On Request | |
| Senegal | DTC | DTC PT SN | June 13, 2014 | No | Uncertain | |
| Seychelles | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2015 | Oct. 1, 2015 | On Request | ||
| Singapore | Multilateral | MCON-Amend | May 1, 2016 | May 1, 2016 | On Request | |
| DTC | DTC PT SG | Sept. 6, 1999 | March 16, 2001 | Uncertain | ||
| Sint Maarten (Dutch part) | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| Slovakia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC PT SK | June 5, 2001 | Nov. 2, 2004 | Uncertain | ||
| Slovenia | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | June 1, 2011 | June 1, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC PT SI | March 5, 2003 | Aug. 13, 2004 | Uncertain | ||
| South Africa | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| DTC | DTC PT ZA | Nov. 13, 2006 | Oct. 22, 2008 | Uncertain | ||
| South Korea | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | July 1, 2012 | July 1, 2012 | On Request | ||
| DTC | DTC KR PT | Jan. 26, 1996 | Dec. 21, 1997 | Uncertain | ||
| Spain | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Jan. 1, 2013 | Jan. 1, 2013 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC ES PT | Oct. 26, 1993 | June 28, 1995 | Uncertain | ||
| Sweden | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Sept. 1, 2011 | Sept. 1, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC PT SE | Aug. 29, 2002 | Dec. 19, 2003 | Uncertain | ||
| Switzerland | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2018 | Automatic | |
| DTC | DTC CH PT | Sept. 26, 1974 | Dec. 17, 1975 | Uncertain | ||
| Timor-Leste | DTC | DTC PT TL | Sept. 27, 2011 | No | Uncertain | |
| Tunisia | Multilateral | MCON-Amend | Feb. 1, 2014 | Feb. 1, 2014 | On Request | |
| DTC | DTC PT TN | Feb. 24, 1999 | Aug. 21, 2000 | Uncertain | ||
| Turkey | DTC | DTC PT TR | May 11, 2005 | Dec. 18, 2006 | Uncertain | |
| Turks and Caicos Islands | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Dec. 1, 2013 | Dec. 1, 2013 | On Request | ||
| TIEA | TIEA PT TC | Dec. 20, 2010 | No | On Request | ||
| Ukraine | Multilateral | MCON-Amend | Sept. 1, 2013 | Sept. 1, 2013 | On Request | |
| DTC | DTC PT UA | Feb. 9, 2000 | March 11, 2002 | Uncertain | ||
| United Arab Emirates | DTC | DTC AE PT | Jan. 17, 2011 | May 22, 2012 | Uncertain | |
| United Kingdom | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | Oct. 1, 2011 | Oct. 1, 2011 | On Request | ||
| Multilateral | EU directive 2011/16/EU | Feb. 15, 2011 | Feb. 15, 2011 | Automatic | ||
| DTC | DTC GB PT | March 27, 1968 | Jan. 20, 1969 | Uncertain | ||
| United States of America | FATCA | FATCA US PT | June 30, 2014 | Automatic | ||
| DTC | DTC PT US | Sept. 6, 1994 | Jan. 1, 1996 | Uncertain | ||
| Uruguay | DTC | DTC PT UY | Nov. 30, 2009 | Sept. 13, 2012 | Uncertain | |
| Venezuela | DTC | DTC PT VE | April 23, 1996 | Jan. 8, 1998 | Uncertain | |
| Vietnam | DTC | DTC PT VN | June 3, 2015 | No | Uncertain | |
| Virgin Islands (British) | Multilateral | MCAA | Oct. 29, 2014 | Sept. 1, 2017 | Automatic | |
| Multilateral | MCON-Amend | March 1, 2014 | March 1, 2014 | On Request | ||
| TIEA | TIEA PT VG | Oct. 5, 2010 | No | On Request |