ISPM 15 is an International Standard Phytosanitary Measure developed by the International Plant Protection Convention (IPPC), that addresses the need to treat wood materials, such as pallets, which are used to ship products between countries. ISPM 15 requires that pallets be either chemically fumigated or heat treated to prevent the spread of wood and plant pests.

The United Nations Food and Agricultural Organization (FAO) Interim Commission on Phytosanitary Measures adopted ISPM15 in March 2002, meaning that countries can now decide to implement these internationally recognized import regulations.

Two treatment measures are approved under ISPM 15. These are Heat treatment (HT) to a minimum core temperature of 56oC for a minimum of 30 minutes, and Fumigation, using Methyl Bromide (MB) to the prescribed dosage and temperature.

An international mark has been agreed and trademarked and is authorized for use (see illustration).


To attest to compliance to the standard, the pallet must be clearly marked on 2 faces showing the official IPPC logo, a 2 letter country code (xx), a unique number (000) assigned by the National Plant Protection Organization (NPPO), HT for Heat Treatment or MB for Methyl Bromide, and DB to signify debarked. It is unclear when the use of the IPPC logo will be mandatory and when some countries will stipulate its use.

ISPM15 Approved Pallets

CHEP Europe has established a strategic network of suppliers to meet the demands for IPPC compliant 'Phytosanitary' pallets. All 48"x40" block pallets manufactured in the EU for export to the USA are Heat Treated (HT) as standard and stenciled with the NPPO approved mark. Other wooden pallet specifications can also be made available HT treated. CHEP has decided that the preferred option is HT whenever possible. However, there will be situations where fumigation with MB will be the acceptable solution. In such exceptional circumstances, approved suppliers will carry out fumigation.

For more information regarding the current ISPM 15 guidlines in your country or region, please visit

Further information can also be found on the IPPC's website at

The above ISPM 15 advice is available in different languages below:

ISPM 15 Chinese.pdfISPM 15 Chinese.pdf

ISPM 15 Dutch.pdfISPM 15 Dutch.pdf

ISPM 15 English.pdfISPM 15 English.pdf

ISPM 15 French.pdfISPM 15 French.pdf

ISPM 15 German.pdfISPM 15 German.pdf

ISPM 15 Italian.pdfISPM 15 Italian.pdf

ISPM 15 Latin America.pdfISPM 15 Latin America.pdf

ISPM 15 Latvian.pdfISPM 15 Latvian.pdf

ISPM 15 Portuguese.pdfISPM 15 Portuguese.pdf

ISPM 15 Russian.pdfISPM 15 Russian.pdf

ISPM 15 Spanish.pdfISPM 15 Spanish.pdf