Effective 1 January 2020, a new corporate income tax rate regime is introduced which includes an exemption for small businesses with turnover below NGN 25 million, a reduced tax rate of 20% for medium- sized businesses with turnover between NGN 25 and 100 million and a standard corporate tax rate of 30% for large businesses with a turnover of NGN 100 million or more (previously, standard tax rate of 30% was applicable).