Certification for semi-processed leather questioned Quarantine issues The annual imports of skin and hide through the Chennai port are estimated at about Rs 1,000 crore. Quarantine issues do not arise in the case of semi processed leather, which is chemically treated, says trade body. The manufacturers have also taken up the issue with the Department of Animal Husbandry at the Centre, and a notification clarifying the issue is expected. R. Balaji Chennai, April 2 Supply of imported raw material to leather products manufacturing units has been hit in Tamil Nadu as Customs authorities have stopped clearing imported semi-processed leather demanding quarantine certification, according to the All India Skin and Hide Tanners and Merchants Association (AISHTMA). Mr Rafeeque Ahmed, President, AISHTMA, said that Customs Department officials in Chennai started demanding quarantine certificates for semi processed leather