Under the Liquor Licensing Act 1990 it is an offence:
for liquor to be delivered to a person under the age of 18 years.
Penalty: Fine not exceeding 20 penalty units
for a person under the age of 18 years to purchase liquor.
Penalty: Fine not exceeding 10 penalty units
Upon checkout mandatory date of birth field is required in order to comply with liquor licensing legislation as stated above.