Atatürk himself was personally involved with the commission and proclaimed an "alphabet mobilisation" to publicise the changes. He toured the country explaining the new system of writing and encouraging the rapid adoption of the new alphabet. The Language Commission proposed a five-year transition period; Atatürk saw this as far too long and reduced it to three months. The change was formalised by the Turkish Republic's law number 1353, the "Law on the Adoption and Implementation of the Turkish Alphabet", passed on 1 November 1928. Starting 1 December 1928, newspapers, magazines, subtitles in movies, advertisement and signs had to be written with the letters of the new alphabet. From 1 January 1929, the use of the new alphabet was compulsory in all public communications as well the internal communications of banks and political or social organisations. Books had to be printed with the new alphabet as of 1 January 1929 as well. The civil population was allowed to use the old alphabet in their transactions with the institutions until 1 June 1929.