Notes to consolidated financial statements l Note 23

        2017
R’000
    2016 
R’000 
 
23 TAXATION                
  South African normal taxation                
  – current year       579 010      172 463   
  – under/(over) provision relating to prior years       —      5 644   
  Deferred taxation                
  – reversal of temporary differences in current year (refer note 14)       (2 709)     (11 865)  
  – change in capital gains taxation rate (refer note 14)       —      3 219   
  Securities transfer taxation on redemption of preference dividends       1 282      199   
  Dividend withholding tax, paid on treasury shares       5 837      3 513   
  Foreign taxation by foreign subsidiary                
  – current year       —      3 203   
          583 420      176 376   
  Estimated losses available for the reduction of future taxable income arising in certain subsidiary companies, which are not on care and maintenance at year-end, for which no deferred taxation assets have been raised. These losses are current and have not expired.       55 307      61 764   
  Reconciliation of the taxation charge as a percentage of profit before taxation       %      %   
  Statutory tax rate       28,00      28,00   
  Adjusted for:                
  Under provision relating to prior years       —      1,41   
  Securities transfer taxation on redemption of preference dividends       0,05      0,05   
  Dividend withholding tax, paid on treasury shares       0,24      0,88   
  Deferred taxation assets arising on impairment charges not recognised       —      8,21   
  Disallowable expenditure#       1,81      3,54   
  Exempt income       (8,41)     (0,54)  
  Change in capital gains taxation rate       —      0,80   
  Other deferred taxation assets not recognised       2,12      1,71   
  Other items       (0,21)     —   
  Effective tax rate       23,60      44,06   
  #Disallowable expenditure relates to finance costs on preference shares, legal and professional fees and other expenses of a capital nature not qualifying for deductions.                

Notes to consolidated financial statements l Note 23