Read the ATO’s new Cash and hidden economy review and audits guide. This will help you know what to expect if involved in a review or audit. It steps through the process of providing documents or other information the ATO ask for, to assist their review.

Note that the use a variety of risk indicators to identify businesses for review or audit because of the possibility they may be engaging in the cash and hidden economy. These indicators include results from data matching, comparisons of business information against their small business benchmarks and reports from the community. Based on these indicators, the ATO select businesses for review or audit.

You can find out more at http://www.ato.gov.au/Tax-professionals/News-and-updates/Latest-updates/New-Cash-and-hidden-economy-review-and-audits-guide/