| AAT | Administrative Appeals Tribunal |
| ACL | Australian Consumer Law |
| ACMA | Australian Communications and Media Authority |
| AGS | Australian Government Solicitor |
| APS | Australian Public Service |
| ARTC | Australian Rail Track Corporation |
| CEO | Chief Executive Officer |
| COAG | Council of Australian Governments |
| cpl | cents per litre |
| DEHP | diethylhexyl phthalate |
| DTCS | domestic transmission capacity service |
| ECA | ACCC Employee Collective Agreement 2009–10 |
| EL | executive level |
| FMA Act | Financial Management and Accountability Act 1997 |
| IMTS Branch | Information Management and Technology Services Branch |
| LCS | local carriage services |
| LSS | line-sharing services |
| LPG | liquefied petroleum gas |
| MDBA | Murray‑Darling Basin Authority |
| minister, the | Minister for Competition Policy and Consumer Affairs |
| Mogas | motor gasoline |
| MTAS | mobile terminating access service |
| PBS | portfolio budget statements |
| PSM Branch | People Services and Management Branch |
| PSTN OA | public switched telephone network originating access |
| PSTN TA | public switched telephone network terminating access |
| section 87B undertaking | court enforceable undertaking made under section 87B of the Trade Practices Act 1974 |
| SES | Senior Executive Service |
| TSLRIC+ | total service long-run incremental cost |
| TPA | Trade Practices Act 1974 |
| ULLS | unconditioned local loop services |
| WLR | wholesale line rental |