VIC
There is no legislation concerning corporal punishment by parents in Victoria, however, there is a common law defense for parental use of corporal punishment. Victorian common law allows parents to administer corporal punishment to children in their charge provided the punishment is neither unreasonable nor excessive.
Common law defence
WA
Under the Criminal Code 1913 (WA) it remains lawful for parents to physically discipline their children. Section 257 of the code states that:
it is lawful for a parent or a person in the place of a parent…. to use, by way of correction, toward a child or pupil under his care, such force as is reasonable under the circumstances.
Criminal Code Act 1913 (WA) s257: