The following symbols and abbreviations are used in this publication:
| ABN | Australian Business Number |
| ABS | Australian Bureau of Statistics |
| ANZSIC | Australian and New Zealand Standard Industrial Classification |
| ARIMA | autoregressive integrated moving average |
| ATO | Australian Taxation Office |
| n.e.c. | not elsewhere classified |
| PAYGW | pay-as-you-go withholding |
| RSE | relative standard error |
| TAU | type of activity unit |