It’s all part of an international effort to prevent the spread of tree-killing bugs.
The international guideline signed by 40 nations applies only to solid-wood packaging that is at least one-quarter inch thick, not particle board or plywood. Inspectors will look for a stamp certifying the wood has been treated. A number of countries began restricting solid-wood imports well in advance of the deadline. The U.S. will begin in September, though Canada and the U.S. have exempted each other.
