Provident fund was first established in Thailand before the year 1984. During the period of the Fifth Economic and Social Development Plan, more incorporation of provident fund occurred as a consequence of the Government policy to promote more establishment of provident fund. In 1987, the government had enacted the first Provident Fund Act, which authorized the Finance Minister as the regulator, to supervise the provident fund business. However, the supervisory role over Provident Fund business had been transferred to the Securities and Exchange Commission (SEC) in March 30, 2000. And in 1999, The Provident Fund Act (Second Edition) B.E. 2542 together with the Securities and Exchange Commission Act (Second Edition) B.E. 2542 was enacted effectively at the same time. As of Mar 31, 2015 there were 2,858,980 members from 15,433 companies in the provident fund industry with the total fund size of Baht 851,456 million.