Wooden packing to be exported overseas needs to be ISPM15 marked, which means that it is heat-treated. Each wooden case i.e. Wooden Box, Crates, pallets used for export must be marked according to ISPM15 requirements. If it appears that any wooden case in the supply does not have an approved stamp, the entire load risk being stopped at the border.
IPPC is short for "International Plant Protection Convention" SE - is the country code F2166 - the code of the company who has approval for heat-treating and/or manufacturing wood packaging. HT - Heat treatment. Heat treatment to at least 56° C for 30 minutes in the core of the wood.