Via the WA Police website:
Double demerit points for the Christmas/New Year holiday period
During the Christmas/New Year holiday period, double demerit points for prescribed offences are applicable between 00:01 hours on Friday 21 December 2012 to 23:59 hours on Sunday 6 January 2013.
During this period double demerit points will apply to the following offences:
- Seatbelt offences pertaining to drivers;
- Driving with a Blood Alcohol Content of or above 0.05; and
- Presence of prescribed illicit drugs or fail to supply oral sample or blood