Tags Vietnamese plywood US extends investigation of trade remedy evasion of Vietnamese plywood Tuesday, Mar 28, 2023 The final conclusion is expected to be issued on May 2. US probe conclusion deadline on Vietnamese plywood imports extended Thursday, Sep 15, 2022 The US Department of Commerce (DOC) has once again announced the extension of the deadline for issuing its final conclusion on an anti-dumping and anti-subsidy tax evasion investigation into hardwood plywood imported from Viet Nam.