| Country | Enforcement Date | Remarks |
| | Argentina | June 1, 2005 | |
| | Australia | September 1, 2004 | Bark-free & packing declaration for ISPM15- compliant WPM, 21-day rule does not apply |
| | Brazil | September 16, 2005 | September 15 is Brazil's announced date, however it is considering harmonizing implementation with Argentina, Chile, Paraguay and Uruguay for June1, 2005 |
| | Canada | September 16, 2005 | Phase-in implementation since January 1, 2004 Exemption granted to US. |
| | Chile | June 1, 2005 | |
| | China | January 1, 2006 | MB fumigation of softwood packaging must be at least 24 hours depending on wood temperature. |
| | Colombia | September 16, 2005 | |
| | Costa Rica | January 1, 2005 | |
| | Ecuador | April 26, 2004 | |
| | European Union (EU) | March 1, 2005 | See special conditions below. |
| | Guatemala | September 16, 2005 | |
| | India | November 1, 2004 | Phytosanitary certificate required only for WPM that are not ISPM 15 compliant |
| | Mexico | September 16, 2005 | Phase-in implementation since January 1, 2004. |
| | New Zealand | April 16, 2003 | |
| | Nigeria | September 30, 2004 | |
| | Panama | February 17, 2005 | |
| | Peru | March 1, 2005 | |
| | Philippines | June 1, 2005 | Partial enforcement starting January 1, 2005, WPM must be treated but marking not required. |
| | South Africa | January 1, 2005 | |
| | South Korea | June 1, 2005 | MB fumigation for softwood packaging now allowed, but must use the 24-hour treatment schedule. |
| | Switzerland | March 1, 2005 | |
| | United States | September 16, 2005 | Phase-in implementation since January 1, 2004 |
| | Tanzania | No Date Scheduled | |
| | Turkey | January 1, 2006 | |