Williamson v Ah On [1926] HCA 46

Williamson v Ah On [1926] HCA 46

The Commonwealth Parliament has power under s.51(xxvii) and (xxxix) of the Constitution to legislate that, in prosecutions for being a prohibited immigrant, the burden of proof regarding immigration status and evasion of an officer falls upon the defendant, where those facts are peculiarly within their knowledge. Accordingly, subsections 3 and 3a of section 5 of the Immigration Act 1901-1925, which create evidentiary presumptions rebuttable by the defendant's personal evidence, are valid exercises of legislative power as they relate to procedure, not substantive expansion of constitutional power. The provisions do not retrospectively criminalize past conduct, and previous acquittal did...

Parties
Appellant; Complainant: Clifford Williamson; Respondent; Defendant: Ah On
Jurisdiction
Australia
Judgment Date
22 November 1926
Procedural Posture
Appeal / Appeal From Police Magistrate's Dismissal (court of Petty Sessions, Western Australia) to High Court of Australia
Outcome
Appeal allowed. Magistrate's order set aside.
Legal Topics
Parliamentary Powers Under Constitution S.51(xxvii), (xxxix), Immigration Act 1901 1925 Burden of Proof Provisions, Statutory Presumptions in Criminal Prosecution, Jurisdictional Fact in Law, Validity of Evidentiary Provisions

Case Brief

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Parties

Clifford Williamson

Appellant; Complainant

Ah On

Respondent; Defendant

Procedural Posture

Appeal / Appeal From Police Magistrate's Dismissal (court of Petty Sessions, Western Australia) to High Court of Australia

  1. 1 Is it within the Commonwealth Parliament's power under s.51(xxvii), (xxxix) of the Constitution to impose a burden of proof upon persons prosecuted as prohibited immigrants to prove they are not immigrants or did not evade an officer?
  2. 2 Are subsections 3, 3a, and 3b of section 5 of the Immigration Act 1901-1925 valid legislative provisions?
  3. 3 Do these evidentiary provisions amount to an impermissible enlargement of Commonwealth legislative power or an incursion into judicial power?

Ratio Decidendi

The Commonwealth Parliament has power under s.51(xxvii) and (xxxix) of the Constitution to legislate that, in prosecutions for being a prohibited immigrant, the burden of proof regarding immigration status and evasion of an officer falls upon the defendant, where those facts are peculiarly within their knowledge. Accordingly, subsections 3 and 3a of section 5 of the Immigration Act 1901-1925, which create evidentiary presumptions rebuttable by the defendant's personal evidence, are valid exercises of legislative power as they relate to procedure, not substantive expansion of constitutional power. The provisions do not retrospectively criminalize past conduct, and previous acquittal did...

Court Disposition

Appeal allowed. Magistrate's order set aside.

Orders

  • Case remitted to Police Court, Perth, with a direction that Ah On should have been convicted.
  • Case to be dealt with by the Police Court consistently with High Court's judgment.