There are many rules surrounding the import of exotic wood and timber products into the USA, and a successful shipment requires strict adherence to permitting and certification requirements. The United States Department of Agriculture (USDA) enforces the declarations of conformance with the LACEY Act and an import permit specific to each entry.
Domestic Hardwoods:
Domestic hardwoods refer to any and all species found in North America like Oak, Walnut, Birch, Maple, Hickory, Ash and Cherry. Domestic woods are not subject to import regulations.