Tags oil products Import tariffs on oil products slashed again Wednesday, May 06, 2015 Viet Nam continued reducing import taxes on oil products, beginning April 4, according to the Ministry of Finance. Petrol import tax to remain unchanged: Finance Ministry Tuesday, Aug 26, 2014 The Ministry of Finance (MoF) on August 25 asked petrol distributors and dealers not to revise the import tax on petrol and oil products until the end of this year.