Provisional assessment of acetone imports by a named exporter ordered pending review, with security and retrospective duty liability. Provisional assessment is ordered for acetone imports exported by M/s Chang Chun Plastics Co. Ltd, Chinese Taipei pending a new shipper review; such provisional assessment may be subject to security or guarantee to cover any deficiency if a definitive anti dumping duty is later imposed, and if the review results in imposition of anti dumping duty the importer will be liable to pay the duty on all imports by M/s Chang Chun from the date of initiation of the review.