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Indecency offences

Indecent language

Under s 22 of the Summary Offences Act 1953 (SA), it is an offence to use language that is indecent or profane, or to sing indecent or profane songs:

  • in a public place
  • in a police station
  • which can be heard from a public place or neighbouring property, or
  • intending to offend or insult someone.

Language is indecent if it is highly offensive to the recognised standards of common propriety. This offence is not designed for the special protection of those who are easily shocked.

The maximum penalty is a fine of $250.

Indecent behaviour

Under s 23(1) of the Summary Offences Act 1953 (SA), it is an offence to behave in an indecent manner:

  • in a public place
  • while visible from a public place
  • in a police station, or
  • so as to offend or insult someone.

The maximum penalty is a fine of $1,250 or imprisonment for 3 months.

This might include, for example, indecently exposing oneself in a public place. However, it is not an offence to be naked in an area, or in waters adjacent to an area, reserved for nude bathing [Summary Offences Act 1953 s 23A].

Gross indecency

It is also an offence, under s 23(2), to willfully perform a grossly indecent act:

  • in a public place
  • while visible from a public place
  • in a police station
  • so as to offend or insult someone.

The maximum penalty is a fine of $2,500 or imprisonment for 6 months.

For offences of gross indecency in the presence of a person aged under the age of 16 years, see Sexual Offences.

Indecent filming

It is a criminal offence to film:

  • a person in a state of undress,
  • a person engaged in a private act, or
  • the private region of a person

in circumstances in which a reasonable person would have an expectation of privacy [Summary Offences Act 1953 (SA) ss 26A(1), 26D(1)]. This is known as indecent filming.

It is a defence to a charge of indecent filming if:

  • the filming occurred with the consent of the person filmed, OR
  • it was undertaken by a licenced investigation agent in the course of obtaining evidence in connection with a claim for compensation, damages, a payment under a contract or some other benefit [s 26D(2)].

Consent will not be effective if given by a person under the age of 17 or with a cognitive impairment, or if obtained from a person by duress or deception [s 26E(1)].

It is also an offence to distribute images obtained by indecent filming [s 26D(3)].

It is a defence if one or more of the following can be proved:

  • the person filmed consented to that particular distribution of the image
  • the person filmed consented to distribution of the image generally
  • the defendant did not know, and could not reasonably have been expected to know, that the indecent filming was without the person's consent
  • the indecent filming was undertaken by a licenced investigation agent in the course of obtaining evidence in connection with a claim for compensation, damages, a payment under a contract or some other benefit.

The maximum penalty for indecent filming or distributing an image obtained by indecent filming is a fine of $10,000 or imprisonment for 2 years. Those penalties double if the person filmed was under the age of 17.

See also Distribution of invasive images (image-based abuse) and Humiliating or degrading filming.

Indecency offences  :  Last Revised: Fri Oct 31st 2025
The content of the Law Handbook is made available as a public service for information purposes only and should not be relied upon as a substitute for legal advice. See Disclaimer for details. For free and confidential legal advice in South Australia call 1300 366 424.