At present, the international standard is the International Plant Protection Convention guided by the United Nations.
What are the International Plant Protection Convention and ISPM15?
IPPC=International Plant Protection Convention
The sub organization is composed of the Food and Agriculture Organization of the United Nations
ISPM 15=International Phytosanitary Measures Standard 15
International standards refer to international shipping wooden crate packaging
The purpose of these measures is to protect domestic forests (plants) from imported wood pests.

Handling method:
HT - Heat treatment>30 minutes, by drying or immersing at 56 ° C
MB - Methyl Bromid (gas treatment - prohibited in Germany)

Tag:
Permanent symbols on the two opposite sides of the package