25 (b) if payment of the tax or duty or penalty is not made by the debtor within twenty-one days from the date when the notice is served on the debtor, the in duplum rule shall not apply to the amount owed by the debtor.". PART IX AMENDMENT OF FINANCE (NO. 2) ACT, 2004 45 Amendment of Schedule to Act 29 of 2004 The Schedule ("Payment of Provisional Tax: 1st January, 2005, to 31st December, 2007") of the Finance (No. 2) Act, 2004 (Act No. 29 of 2004), is amended as follows in the third column in relation to the dates specified opposite thereto in the second column— "2006 provisional tax 25th March, 2006 5% 25th June, 2006 10% 25th September, 2006 20% 20th December, 2006 35%".