ITAA 1997 s 900-15(2) and section 900-70

Income tax: substantiation: car expenses: how do you calculate the cost of fuel and oil when using the 'one-third of actual expenses' method or the 'log book' method, if you have not kept written evidence of the expense?

Income tax: substantiation: car expenses: how do you calculate the cost of fuel and oil when using the 'one-third of actual expenses' method or the 'log book' method, if you have not kept written evidence of the expense?