On 31 October 2017, Royal Decree (No 647) was published allowing small and medium-sized enterprises (SMEs) to claim a double (200%) corporate tax deduction allowance for expenditure paid out for purchasing or hiring computer software programs registered with the Digital Economy Promotion Agency for their 2017-2019 financial years. In Thailand, SMEs are companies with annual gross revenue not exceeding THB 30 million and paid up capital of not more than THB 5 million as at the end of the financial year.