 Two types of paper (regular and lined) were used on $20 000, $50 000 and $500 000 banknotes.The Zimbabwe dollar was again reformed on 2 February 2009 when the fourth dollar replaced the third dollar at the ratio of 1 000 000 000 000 (1012) to 1 with the original intention of phasing out the latter by 1 July 2009.The 2009 banknote series was issued for the fourth dollar which circulated from 2 February 2009 until the suspension of the dollar on 12 April 2009.