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Tax and accountingCommonwealthMinimum retention

Business tax records

How long should Australian businesses keep business tax records, and when does the clock start?

Keep for5 years
Clock startsLater of preparation or the transaction
Applies toAnyone carrying on a business

General information, not legal advice or permission to destroy a record. Coverage may be incomplete or out of date. Check the official text, other applicable obligations and any investigations, disputes or legal holds before disposal. Get advice for your situation. Terms of use.

Under the Income Tax Assessment Act 1936, anyone carrying on a business must keep business tax records for at least 5 years. Clock starts: later of preparation or the transaction.

Records that record and explain all transactions and other acts relevant to income tax: sales, purchases, receipts, invoices, bank records.

This is the Income Tax Assessment Act 1936 requirement. The same records can also fall under other laws. See other terms that apply.

The terms

s 262A(1), (4)Income Tax Assessment Act 1936
5 years
the completion of the transactions or acts to which those records relate

Conditions and exceptions Caution

From the provisions:

  • Period may be extended if the Commissioner's amendment period under section 170 is extended under subsection 170(7)
  • Not required if the Commissioner has notified the person that retention is not required
  • Not required if the person is a company that has gone into liquidation and finally ceased to exist
  • Subsection (4) does not apply to records required to be kept under a provision of Schedule 1 to the Taxation Administration Act 1953

The law

Income Tax Assessment Act 1936, s 262A(1), (4) · Keeping of recordsOfficial text ↗
A person who has possession of any records kept or obtained under or for the purposes of this Act must retain those records until: (a) in a case to which paragraph (b) does not apply—the end of 5 years after those records were prepared or obtained, or the completion of the transactions or acts to which those records relate, whichever is the later
Text as at 1 July 2026

Other terms that apply to these records

This page covers business tax records on their own. The same file is often caught by other laws as well, with different periods and start dates. See why a legal term is not a schedule.

4 records. 4 sets of rules. They don't agree.

One business file can hold all of these at once.

Business tax records5yIncome Tax Assessment Act 1936, s 262A(1), (4) · later of preparation or the transaction
Company financial records7yCorporations Act 2001, s 286(1)–(2) · the transactions are completed
GST records and tax invoices5yTaxation Administration Act 1953, s 382-5(1), s 382-5(3), s 382-5(4) · completion of the transactions
Personal information no longer neededDestroyPrivacy Act 1988, Schedule 1, APP 11.2, APP 4.3 · no longer needed for any permitted purpose

Now do that for every record your organisation holds, and redo it when the law changes. ScheduleOne has done that work, and keeps it current.

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