Approved by the National Plebiscite of the 19th March 1933. Entered Into Force on 11th April of Same Year, and was Modified by Laws No. 1885, 1910, 1945, 1963, 1966 and 2009, of 23rd March and 23rd May 1935, 21st December 1936, 18th December 1937, 23rd April 1938 and 17th September 1945, Respectively. Colonial Act, with Alterations Contained in Laws No. 1900 and 2009, of 21st May 1935 and 17th September 1945, Respectively