1.Adopted and promulgated by the National Government on 16 February 1929.
2.Amended and promulgated by Presidential Order on 22 March 1954.
3.Amended and promulgated by Presidential Order on 6 April 1955.
4.Amended and promulgated by Presidential Order on 18 April 1984.
5.Amended and promulgated by Presidential Order on 15 May 2002.
6.Amended and promulgated by Presidential Order on 2 January 2003.
7.Amended and promulgated by Presidential Order on 21 January 2009.