The International Standard for Phytosanitary Measures, publication number 15 - Regulation of wood packaging material (WPM) in international trade. The regulations are to help prevent the worldwide spread of plant pests and diseases by using specially treated wooden packaging material (WPM). ISPM15 applies to coniferous softwood and non-coniferous hardwood used as raw wood packaging material. The standard does not apply to wood packaging made wholly of manufactured wood-based products such as plywood and veneer, reconstituted wood products (particle board, chipboard, press wood, oriented stand board, high density fiber board, and medium density fiber board) or products created using glue, heat and pressure or a combination thereof.