IPPC is a charter issued to control and protect forests and plants that are affected by international transport.
ISPM15 is part of the IPPC that defines plant hygiene standards with the objective of reducing the spread of unpopular infections. Soft meats and other such woods, especially pineapple nematodes (Found in the United States, Canada gathered and Japan in these countries, there are no hunters in the system (Found in China and in many other countries where this insect is a threat to forests in the United States)