The corporate income tax rates comply with the provisions of Article 11 of Circular 78/2014/TT-BTC. Therefore, there are the following CIT rates: Tax rate of 20%: This is the common tax rate applied to most businesses in accordance with Vietnamese law. Tax rate from 32% – 50%: Applied to enterprises working in the field of oil and gas exploration and production. The rate of 50%: CIT rate for the search, exploration and exploitation of precious and rare natural resource mines in Vietnam. These include: silver, tin, gold, platinum, precious stones, rare earths excluding petroleum, tungsten and antimony. Preferential tax rate of 10%: Applied to enterprises with operating income from the following industries and services: Enterprises with income from new investment projects in: High-tech zones, economic zones and areas with extremely difficult socio-economic conditions.