From 1 April 2014 you can only claim donation tax credits within a period of four years, following the year in which the gift was made.
Find out about claiming tax credits for donations and issuing valid receipts. You can also find out about making donations through Payroll giving.
Then you can claim a tax credit.
If you're a donee organisation issuing receipts to donors, they need to be valid and show:
If you make a donation of $5 or more by phone, you'll need a receipt to claim a donation tax credit at the end of the tax year. You won't be able to use a phone bill as a receipt as it doesn't show all of the necessary information.
If you make donations through payroll giving there are slightly different rules.