Australian Privacy Act Essentials
Core PII detection patterns for Australian Privacy Act 1988 compliance. Covers government identifiers, healthcare numbers, business identifiers, and personal contact information.
- Jurisdictions
- au
- Regulations
- privacy-act-1988
- Patterns
- 9
Patterns in this collection
Detects Australian Business Numbers (ABNs), which are unique 11-digit identifiers issued by the Australian Business Register to entities carrying on a business in Australia. ABNs are commonly formatted as groups of 2-3-3-3 digits separated by spaces or hyphens. The ABN includes a check digit mechanism, but this pattern relies on format matching combined with corroborative evidence rather than algorithmic validation.
- Type
- regex
- Confidence
- medium
Detects Centrelink Customer Reference Number (CRN) patterns consisting of 9 digits followed by a letter.
- Type
- regex
- Confidence
- low
Detects Australian Company Number patterns. This pattern is based on a Microsoft Purview built-in sensitive information type. Users already running Purview may prefer to enable the built-in SIT directly, or use this version as a starting point for customisation.
- Type
- regex
- Confidence
- high
Detects Australian Medicare card numbers, which are issued to Australian citizens and permanent residents for access to subsidised healthcare under the Medicare system. The number consists of 10 digits: the first digit is between 2 and 6, followed by 8 additional digits and a single check digit. Numbers are commonly formatted as groups of 4-5-1 digits separated by spaces or hyphens.
- Type
- regex
- Confidence
- high
Identifies Australian driver's licence numbers across all 8 states and territories using state-specific digit/letter formats. State context provided via regex-based jurisdiction matching rather than keyword lists. Includes generic fallback tier.
- Type
- regex
- Confidence
- low
Detects NDIS Participant Number patterns. A 9-digit number starting with the prefix 43.
- Type
- regex
- Confidence
- low
Identifies Australian Tax File Numbers (TFNs) — unique nine-digit identifiers issued by the Australian Taxation Office. Uses Func_australian_tax_file_number validator with AllDigitsSameFilter and TextMatchFilter to exclude known test values.
- Type
- regex
- Confidence
- high
Identifies Australian passport numbers using a broad letter-prefix pattern covering single-letter and two-letter series. Requires corroborative evidence from travel-credential and issuing-nation keywords.
- Type
- regex
- Confidence
- low
Identifies electronic mail addresses in RFC-compatible local-part@domain.tld format. Requires valid top-level domain of 2+ characters. Uses word-boundary anchoring distinct from substring matching.
- Type
- regex
- Confidence
- high