Under the 1999 constitution , he could not legally stand for re-election again .
Under the 1999 constitution , he could not legally so brought about a referendum on 15 February 2009 to abolish the two - term limit for all public offices , including the presidency .
Under the 1999 constitution , he could not legally stand for re-election again , and so brought about a referendum on 15 February 2009 to abolish the two - term limit for all public offices , including the presidency .