Under s 74A of the Summary Offences Act 1953 (SA), a person will be required to give their personal details to police if:

A police officer may request any or all of the following personal details in either of the above circumstances:

A person suspected of having committing an offence involving children may also be required to to give the name and address of any place they work or volunteer.

It is an offence to refuse to comply with a police requirement to give personal details or to give false details, with a maximum fine of $1,250 or imprisonment for up to 3 months [s 74A(3)].

If there is reasonable cause to suspect that the name or address given is false, the police officer may require the person to produce evidence, such as a driver's licence, to prove the details provided [s 74A(2)].

A police officer who has required a person to state their personal details should identify themselves if asked to do so by either producing their police identification or stating orally or in writing their surname, rank and identification number [s 74A(4)].