The distribution and usage principles of tariff quota opened for the importation of certain chemicals used as raw materials or intermediate goods in industry have been determined. The first distribution of the tariff quotas opened by the President of the Republic of Turkey and the principles of application and use of the remaining quota were distributed. performance to traditional importers. Accordingly, customs duty shall not be applied for the importation of the catalyst containing phosphorous acid, trichloroethylene, acetic acid, sodium lignosulphonate aqueous solution, resin acids, titanium oxide and tungsten trioxide in the specified amounts. Quotas will be valid until February 15 2020.