The duty has been at 0% since September.
Malaysia, the world's second-largest producer of palm oil, calculated a palm oil reference price of 1,970.44 ringgit ($474.69) per tonne for July. Any price above 2,250 ringgit incurs a duty.
The Southeast Asian Nation in May had said it would defer the imposition of export duties on crude palm oil to Dec. 31, in a bid to boost palm oil exports and expand into new markets.
($1 = 4.1510 ringgit)
(Reporting by KL newsroom; Editing by Subhranshu Sahu)