All wood packing material including dunnage must be manufactured, treated, and marked according the ISPM regulations (International Standards for Phytosanitary Measures) unless exempted. Dunnage that is not ISPM compliant which is left onboard must either be destroyed by an approved process or re-exported.
Exemptions from ISPM include:
combination using glue
Sample ISPM logo showing the MB for methyl bromide treatment of the wood.
| Treatment code | Treatment type |
|---|---|
| HT | Heat treatment |
| DH | Dielectric heating |
| MB | Methyl bromide |
| SF | Sulphuryl fluoride |