Australian Motor Vehicle Permit

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
Engine: universal
Confidence: low
Confidence justification: Low confidence: generic digit patterns match many non-licence identifiers. State-specific regex combined with permit-term and jurisdiction-agency keywords essential for reliable detection.
Detection quality: Mixed
Jurisdictions: au
Regulations: AML/CTF Act (Cth), IPA 2009 (Qld), NDB Scheme (Cth), Privacy Act 1988 (Cth)
Frameworks: ISO 27001
Data categories: pii, government-id
Scope: wide
Risk rating: 8
Platform compatibility: Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Compatible, Netskope: Unsupported

Pattern

\b(?:\d{8}|\d{4}[A-Z]{2})\b

Corroborative evidence keywords

drivers licence, driver licence, drivers license, driver license, DL, licence number, license number, driving licence, motor vehicle permit, ID number, identification, ID card, license, permit, registration, certificate

Proximity: 300 characters

Should match

12345678 — NSW format (8 digits)
123456789 — QLD/VIC format (9 digits)
A12345 — SA format (letter + 5 digits)
A123456 — TAS format (letter + 6 digits)
1234567 — WA/NT/TAS format (7 digits)
1234567890 — ACT format (10 digits)

Should not match

12345 — Too few digits (5 instead of minimum 6)
12345678901 — Too many digits (11 instead of maximum 10)
AB12345 — Two leading letters not valid for any state

Known false positives

Generic numeric sequences matching licence digit counts. Mitigation: Require permit-term keywords and state context for reliable detection.
Policy documents discussing licence formats without actual data. Mitigation: Layer with form-field or database-column context signals.

References

Australia drivers license number entity definition - Microsoft Learn