What Are the Penalties for False Witness Signatures in Australia?

February 18, 2026    propertysettlementlawyersperthwa
What Are the Penalties for False Witness Signatures in Australia?

A fraudulent signature on a document can lead to life-changing consequences in Australia. For anyone who has to deal with a huge amount of legal paperwork, especially a lawyer witness signature Perth, must understand that forging or falsifying signatures is a criminal offence, which is punishable with severe penalties. Understanding how the law of Australia treats such offences can assist you in protecting yourself from a lot of legal trouble.

What Is a False Witness Signature?

False witness signature occurs when an individual signs the name of another party (in most cases, a witness) without permission or falsely states that a document was signed or certified in a proper fashion. This does not merely apply to the signature of another person; it also applies to any attempt to knowingly insert a forged or fictitious signature to any document that is supposed to carry legal consequences (e.g., an affidavit, a statutory declaration, a contract or even a court filing).

Under Australian criminal laws, this behaviour tends to overlap with wider crimes like forgery, uttering a false document, and perjury-related behaviour. The particular labels and highest penalties are dependent on jurisdiction (Commonwealth, state and territory).

Forgery and Use of False Documents: Commonwealth and State Laws

At the Commonwealth level, the Criminal Code Act 1995 provides the general offences associated with the falsification of documents:

  • Forgery: Falsification of a document with the objective of defrauding a public official or causing serious dishonesty.
  • Using a forged document: Knowingly employing a false document for dishonest purposes.

According to this Code, more serious cases can result in imprisonment of as many as 10 years for offences in which forgery is involved or the use of a forged document.

Similar criminal laws are also found in most Australian states and territories:

  • NSW: Up to 10 years’ imprisonment for forgery or using a false document under the Crimes Act 1900 (ss 253–255)
  • Victoria: Up to 10 years’ imprisonment for making, using, or possessing false documents.
  • Queensland: Up to 14 years’ imprisonment for forgery and uttering (using a forged document).
  • Western Australia: Up to 7 years’ imprisonment, or 14 years when used to defraud the government or a bank.
  • South Australia: Up to 10 years’ imprisonment.
  • ACT: Up to 10 years’ imprisonment and substantial financial penalties. In the ACT, fines are calculated in penalty units, and the value of a penalty unit is indexed periodically, meaning the total fine can amount to a significant sum depending on the seriousness of the offence..

For witness signature penalties Australia fines are commonly added to imprisonment even in jurisdictions where written thresholds are in place, and judges can impose other types of sentence (e.g., community orders, suspended sentences).

Penalties Specifically Involving Witness Deceit

Although forgery encompasses the falsification of signatures in general, in Australia, it is also a crime to deceive witnesses in court:

  • The Crimes Act 1914 (Cth) states that anyone who makes a false representation or writing to a person called as a witness knowingly to influence the outcome of a prosecution or affect the testimony can face up to 2 years in prison.
  • Inducing an individual to provide false testimony, agreeing to receive a benefit by providing fake evidence, or any other similar activity can attract up to 5 years of prison under federal regulations.

This covers conduct which goes beyond mere forgery of signatures with intent to affect judicial results, or corrupt testimony, a matter which is treated seriously under Australian law. Hiring property settlement lawyers Perth or any other lawyer specialising in your particular situation can be a lifesaver.

Perjury, Statutory Declarations, and Affidavits

Any act of signing a false witness line on a statutory declaration or affidavit can have a number of legal repercussions:

  • It can be considered a forgery or falsification of documents under state/territory criminal law.
  • It may be perjury if an individual under oath makes a false declaration. There are severe penalties attached to perjury (usually, more severe than those of forgery) since the integrity of the court is involved.
  • Forging a witness’s signature when the law requires an authorised witness (e.g., Justice of the Peace, solicitor, or notary) further compounds the offence. Some jurisdictions treat this as a distinct offence or an aggravated circumstance.

Even though the definitions and punishment for perjury differ, false statutory declarations and misleading affidavits are extremely severe and, in some cases, even more severe than simple forgery, as they have the potential to affect the justice system.

Penalty Units and Fines

In addition to imprisonment, Australians convicted of forgery and related offences can face substantial fines. In many states:

  • In addition to imprisonment, offences involving forgery or the use of false documents in NSW may attract substantial financial penalties. These fines are often calculated in penalty units and can amount to tens of thousands of dollars, depending on the severity of the offence and the court in which the matter is heard.
  • Minor or slightly less severe cases might attract smaller fines but still leave a criminal conviction on your record, which can have an impact on employment and other opportunities.

For property-related cases, hiring the best property lawyers Perth can be the best option, as such cases tend to be much more complicated.

Wrapping Up

False witness signatures and other forgery crimes are considered very serious in Australia; the penalty may be a hefty fine or long-term imprisonment. Both federal and state laws clarify that forgery of signatures or misuse of the same, especially during a legal trial, can incur up to 10 or more years imprisonment and significant penalties.

In addition to criminal punishment, the convictions may affect the potential to find jobs, immigration status, and personal reputation. These are highly serious and complicated issues, and anyone being accused of any of them needs to seek legal counsel from witness signature Australia lawyers immediately.

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